Need help RIGHT NOW!!!

Describe what happens at each number in the diagram so to explain a convection current.

Need Help RIGHT NOW!!!Describe What Happens At Each Number In The Diagram So To Explain A Convection

Answers

Answer 1

The events that occur are given as follows:

The circulation of warm and cold fluid due to convection is  called a convection current. A convection current forms when cold fluid is warmed by the heat source. The cold fluid becomes warm and rises. Warm fluid rises because it is less dense.

As the fluid moves away from the heat source, the warm fluid cools. It tends to spread out and then sink. Cool fluid sinks because it is denser. As it sinks, it becomes cold. Cold fluid moves to replace the warm fluid that moved in the first place. It is warmed by the heat source and the current begins again.

What is a Convection Current?

Convection is the spontaneous movement of a single or multiphase fluid caused by the combined effects of material property heterogeneity and body forces on a fluid, most often density and gravity (see buoyancy).

When the origin of the convection is unknown, convection caused by thermal expansion and buoyancy might be inferred. Convection can also occur in soft substances or mixes in which particles can flow.

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Related Questions

What is the tenacity of a mineral, and how can it be described? Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming.

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The tenacity of a mineral refers to its ability to resist breaking, bending, or deforming under stress.

It is a measure of the mineral's physical strength and durability. Different minerals have different tenacity, which can be described in various ways such as brittle, malleable, ductile, flexible, sectile, and elastic.

Brittle minerals are easily shattered or broken, while malleable minerals can be hammered or flattened into thin sheets. Ductile minerals can be stretched or pulled into wires, and flexible minerals can be bent without breaking.

Sectile minerals can be easily cut into thin shavings, and elastic minerals can deform under stress but return to their original shape when the stress is released. Understanding the tenacity of a mineral is essential in determining its properties and potential uses in various industries.

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what can a geologist understand by studying the fossil composition of sedimentary rocks? responsesa. how animals built their sheltersb. how life forms evolved over timec. how some extinct animals preyed on others for foodd. how land animals used rocks as habitats

Answers

Option 1: Geologists can learn how life forms evolved over time by examining the fossil makeup of sedimentary rocks (b).

Fossils are the preserved remnants or evidence of extinct species that serve as a record of the evolution of life on Earth. Fossils may be present in sediment, which accumulates and solidifies to produce sedimentary rocks. To ascertain the kinds of animals that existed at a specific epoch and how they evolved over time, geologists might examine the fossil content of sedimentary rocks. They can, for instance, utilise fossils to pinpoint key moments in the evolution of life, such the emergence of novel species and the extinction of others. They can also make use of fossils infer the ecosystems that these species inhabited and the evolution of those settings.

Therefore, option (b), which describes how life forms changed over time, provides the best response.

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starry night on what date does the sun reach the most northerly point (the summer solstice) along the ecliptic? on what date does the sun reach the most southerly point (the winter solstice) along the ecliptic?

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The summer solstice marks the sun's most northerly point, while the winter solstice marks the sun's most southerly point on the ecliptic.

The summer and winter solstices mark two of the most significant astronomical events that occur each year. The summer solstice, which occurs around June 20th or 21st, is the day when the sun reaches its most northerly point along the ecliptic. This marks the beginning of summer in the Northern Hemisphere and the beginning of winter in the Southern Hemisphere.

Conversely, the winter solstice, which occurs around December 21st or 22nd, is the day when the sun reaches its most southerly point along the ecliptic. This marks the beginning of winter in the Northern Hemisphere and the beginning of summer in the Southern Hemisphere.

It is important to note that while the solstices generally occur on these dates, the exact time and date can vary slightly from year to year. Nevertheless, these astronomical events have significant cultural and historical importance and are often celebrated in various ways by different cultures and societies.

For instance, the summer solstice is celebrated in many cultures with festivals and ceremonies to mark the beginning of the harvest season, while the winter solstice is often marked by celebrations of light and the coming of longer days. In all, the solstices, be it summer solstices or winter solstices are a reminder of the cyclical nature of our world and the changing of the seasons.

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state the favorable position of France

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France is a country that is located in Western Europe and is known for its rich culture, history, and diverse geography. Some of the favorable factors that contribute to its position include:

Geographical location: France has a strategic location on the western coast of Europe, making it a central hub for trade and commerce. It has access to the Atlantic Ocean and the Mediterranean Sea, which allows it to be a major player in global maritime trade.
Strong economy: France has a strong and diversified economy, with a well-developed industrial sector and a thriving services sector. It is the sixth-largest economy in the world and a member of the European Union, which provides it with additional economic benefits.
Rich cultural heritage: France is home to some of the world's most famous landmarks and cultural heritage sites, including the Louvre Museum, the Eiffel Tower, Notre-Dame Cathedral, and the Palace of Versailles. This cultural heritage attracts millions of tourists each year, contributing significantly to the country's economy.
High quality of life: France is known for its high quality of life, with excellent healthcare, education, and social services. It is considered one of the most livable countries in Europe and offers a rich cultural experience to its citizens and visitors.
Overall, France's favorable geographical location, strong economy, rich cultural heritage, and high quality of life make it an attractive and desirable place to live, work, and visit.

what is the piece of infrastructure that connects the red sea to the mediterranean sea?

Answers

The Suez Canal is a marvel of engineering that links the Mediterranean Sea to the Red Sea.

It connects the Mediterranean Sea to the Red Sea, the Indian Ocean, and the Red Sea across a 120-mile man-made waterway. It is one of the most crucial shipping lanes in the world since it enables ships to go between Europe and Asia without having to go through Africa.

The Suez Canal Authority oversees the operation of the canal, which was built between 1859 and 1869. Ships with a draught of up to 160 feet may travel through the canal, which is maintained at a width of 205 feet and a depth of 79 feet.

The canal is a crucial commerce route that cuts the time it would take a ship to circle Africa and reach the Indian Ocean in half. The Suez Canal is also a significant source of cash for the Egyptian government, generating around $5 billion annually.

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a break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time.

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A gap in the geologic record, also known as an unconformity, is a break in the sequence of rock strata produced by erosion, non-deposition, or a combination of the two.

Unconformities might be erosional or non-depositional in nature. A record gap results from the erosion of rock strata, which is what causes an erosional unconformity. An unconformity that is not caused by sediment deposition does not result in the formation of new rock strata. There are several reasons for this, including a change in the temperature, a reduction in the sediment supply, or an increase in sea level.

Unconformities are significant identifiers in the geologic record because they allow geologists to estimate the age of the rocks in a specific location. They also provide us with hints about prior habitats and historical events.

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Identify the scales of spatial analysis for researching the number of a nation’s flags flown privately in a town and those flown during Olympic ceremonies.

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The scales of spatial analysis for researching the number of a nation's flags flown privately in a town and those flown during Olympic ceremonies could include: Local scale, Regional scale, National scale and Global scale.

1. Local scale: This scale would involve studying the flags flown in a specific town or city, such as by visiting various neighborhoods or public places and counting the number of flags being flown. This would provide an understanding of the local culture and level of patriotism.

2. Regional scale: This scale would involve analyzing the flags flown in a larger region, such as a county or state, and comparing the results with the national average. This could help to identify any regional differences or patterns.

3. National scale: This scale would involve analyzing the number of flags flown across the entire country and comparing the results with other countries. This would provide a broader perspective on the country's level of patriotism.

4. Global scale: This scale would involve analyzing the number of flags flown during international events such as the Olympics, and comparing the results with other countries. This would provide a sense of how a country is perceived globally, as well as the level of national pride and support for the athletes.

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How does Augustus's inscription
relate to the claims made in the first
passage?

Answers

Caesar Augustus, also known as Octavian, was the first Roman emperor; he reigned from 27 BC until he died in AD 14.

Who was Caesar Augustus?

The first Roman emperor, Caesar Augustus, often known as Octavian, ruled from 27 BC until they died in 14 AD. He is regarded as one of the greatest leaders in human history and is best known for founding the Roman Principate, the first stage of the Roman Empire.

Assassination schemes were not unfamiliar to Augustus. Thankfully, Augustus avoided the fate that befell his adopted father, Julius Caesar. At the age of 75, Augustus passed away naturally on August 19, 14 CE.

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Rank the following steps describing how a clastic sedimentary rock forms from its pre-existing parent rock.
1. weathering
2. erosion
3. transportation
4. deposition
5. lithification

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Weathering, erosion, transportation, deposition, and lithification are the five steps  how a clastic sedimentary rock forms from its pre-existing parent rock.

The five steps in the development of a clastic sedimentary rock from its pre-existing parent rock are eathering, erosion, transportation, deposition, and lithification.

The production of clastic sedimentary rocks begins with weathering. The breaking down of the parent rock into smaller fragments as a result of wind, water, and temperature changes is known as weathering.

The second stage of the development of clastic sedimentary rocks is erosion. Smaller fragments of the parent rock are removed from the surface during erosion and carried to new areas by the force of wind, water, and ice.

The third stage of the creation of clastic sedimentary rocks is transportation. Moving the smaller fragments of the parent rock from one place to another is referred to as transportation.

The fourth stage of the creation of clastic sedimentary rocks is deposition. Smaller fragments of the parent rock are deposited in a new area throughout the deposition process.

The fifth and last step in the production of clastic sedimentary rocks is lithification. Lithification is the process of compacting and cementing the tiny fragments of the parent rock to create a solid rock.

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historic french port located on the english channel is called___

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The historic French port located on the English Channel is called Le Havre. It is a seaport and industrial  located one northwestern coast of France.

Le Havre was founded in 1517 as a fishing village and gradually developed into a major port during the 16th and 17th centuries, playing a key role in the expansion of French trade and commerce.During World War II, Le Havre was heavily bombed by the Allies, causing widespread destruction and displacement of its residents. However, the city was rebuilt in the post-war period, adopting a distinctive modernist architecture that was heavily influenced by the works of French architect Auguste Perret.Today, Le Havre is a thriving port city that serves as a major hub for the shipment of goods and raw materials, as well as a popular tourist destination. It is renowned for its well-preserved architecture, including the famous Saint Joseph Church and the Maison de l'Armateur, both of which were designed by Auguste Perret.The city is also home to a number of museums and cultural institutions, including the MuMa (Musée d'art moderne André Malraux), which is one of the largest modern art museums in France.

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what is the function of approacha and departure control during ifr

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The function of approach and departure control during IFR (Instrument Flight Rules) is to provide guidance and separation for aircraft in the terminal area.

Approach control is responsible for handling aircraft arriving at an airport, while departure control is responsible for handling aircraft leaving an airport.

During IFR operations, approach and departure control use radar and other technology to provide instructions to pilots, including headings, altitudes, and speed adjustments, to ensure safe and efficient flight. These controllers also coordinate with other air traffic control facilities, such as en route centers, to ensure a smooth transition for aircraft entering or leaving their airspace.

In summary, approach and departure control play a crucial role in maintaining the safety and efficiency of aircraft operations in the terminal area during IFR conditions.

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Of the following, what is generally true regarding push factors?
Responses

They open up opportunity.

They are generally negative.


They are enticing.


They always involve international movement.

Answers

Answer:They are generally negative

Explanation:A push factor is what pushes somebody away from an area; the movement does not always have to be international, therefore, push factors are generally negative.

Push factors are generally involve international movement. Hence, option (b) can be considered as the relevant choice of answer.

Give a brief account on Human migration.

The movement of people with the intention of relocating, either temporarily or permanently, to a new location is referred to as human migration. Moving across great distances and from one country to another is common, but internal migration is also possible—in fact, it is the most common type of human migration worldwide. A second relocation may be made easier by the improved human capital that migration is frequently linked to, both at the individual and household levels, as well as through increased access to migratory networks. Studies have shown that migration is the most direct path out of poverty, and it has a significant potential to advance human development. Age has a role in migrating for both work and non-work reasons. Individuals, families, and big groups of people can all move. Migration can take the following four main forms: invasion, conquest, colonisation, and emigration/immigration.

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city in arkansas where nine students integrate a public high school. what city is that?

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The city is Little Rock, Arkansas, is a city where nine pupils attend a public high school.

The Little Rock, Arkansas, school board devised a strategy for the gradual integration of its schools in response to the Brown rulings and pressure from the neighbourhood NAACP branch. The high schools would be the first institutions to integrate, starting in September 1957.

The Little Rock Nine entered at Little Rock Central High School in the summer of 1957; the school had previously only had white students. The U.S. Supreme Court's ruling in Brown v. Board of Education (1954), which had ruled segregated schools to be unconstitutional, supported the students' effort to enrol. The altercation in Little Rock brought racism and civil rights in the United States to the attention of the world.

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Sort each item into the correct bin based on whether it describes lunar eclipses or solar eclipses. occurs when Earth's shadow falls on the Moon occurs when the Moon's shadow fails on Earth occurs when the Moon is on the direct opposite side of Earth from the Sun can be seen by anyone on Earth's night side at the time can be seen only along a relatively narrow path on Earth can occur only at full moon occurs when the Moon comes directly between Earth and the Sun can cour only at new moon lunar eclipse solar eclipse

Answers

When the Earth passes directly between the Sun and the Moon, its shadow creates a lunar eclipse.Lunar eclipses can occur only when the Moon is opposite the Sun in the sky.

The solar eclipse is one in which the moon is between the earth and the sun.The lunar eclipse is one in which the earth is between the sun and the moon.It happens once every 18 months. It happens twice a year.  During a lunar eclipse,the Earth's shadow obscures the Moon A solar eclipse occurs when,at just the right moment,the Moon passes between the Sun and the Earth. Sometimes the Moon only blocks part of the Sun's light.This is called a partial solar eclipse other times,the Moon blocks all of the Sun's light.A total lunar eclipse can last up to almost 2 hours,while a total solar eclipse lasts only a few minutes at any given location,because the Moon's shadow is smaller.Also,unlike solar eclipses,lunar eclipses can be viewed without eye protection or special precautions.

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A picture of a portion of barth taken from on aerial (bird's eye) view

Answers

The picture of Barth taken from the aerial view shows close buildings as well as a snakelike road.

What is meant by aerial view?

An aerial view refers to a view of a location or object from above, typically from the air. An aerial view can be achieved through various means, such as flying in an aircraft, using a drone, or looking at a map or aerial photograph.

Aerial views provide a unique perspective on a location, allowing you to see the layout, structure, and relationships between different elements. For example, an aerial view of a city can show you the location of roads, buildings, parks, and other features, and how they relate to one another. An aerial view of a landscape can show you the geography, topography, and natural features, such as rivers, mountains, and forests.

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How did they first measure the circumference of the Earth?

Answers

Answer:

Measuring the Circumference of the Earth. More than 2,000 years ago Eratosthenes compared the position of the Sun's rays in two locations to calculate the spherical size of the Earth with reasonable accuracy. Eratosthenes was born in the Greek colony Cyrene, now the city of Shahhat, Libya.

Explanation:

which of the following processes does not produce so2 and/or nox? question 4 options: electricity generation volcanic eruption car emissions insulation

Answers

Among the listed options, the process that does not produce SO2 and/or NOx is insulation.

Electricity generation from the burning of fossil fuels, such as coal and oil, is a major source of SO2 and NOx emissions. When these fuels are burned, sulfur and nitrogen compounds are released into the air, where they react with oxygen to form SO2 and NOx.

Volcanic eruptions can also release significant amounts of SO2 and NOx into the atmosphere. This is because volcanic gases contain high levels of sulfur and nitrogen compounds, which can be expelled during eruptions.

Car emissions are another significant source of SO2 and NOx. Gasoline and diesel engines release nitrogen oxides (NOx) and sulfur dioxide (SO2) during the combustion process.

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Is sand found in commercial sand and gravel deposits is typically composed of silicate minerals?

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Sand in commercial sand and gravel deposits is usually made up of silicate minerals.

Silicates make up approximately 95 percent of the Earth's crust and upper mantle, and are found in significant quantities in sedimentary and metamorphic rocks as well as igneous rocks. They are also important components of lunar samples, meteorites, and the majority of asteroids.

The vast majority of the minerals in the Earth's crust are silicate minerals. Quartz, feldspar, mica, amphibole, pyroxene, olivine, and a wide range of clay minerals are among them.

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Why does the wind at A change direction from south east to south west

Answers

The wind at a change direction from South East to South West due to Coriolis effect.

In most cases, the winds that prevail blow from east to west rather than from north to south. The Coriolis effect is responsible for this phenomenon, which takes place as a direct result of the rotation of the Earth. Because of the Coriolis effect, wind patterns in the Northern Hemisphere rotate counter-clockwise, whereas wind patterns in the Southern Hemisphere rotate clockwise.

A cyclone is a low-pressure phenomenon that draws air into its center, often known as its "eye." Fluids coming from high-pressure systems in the Northern Hemisphere go to the right, passing low-pressure systems on their way. When air masses are pulled into cyclones from all directions, they are deflected, and this gives the impression that the storm system, in this case a hurricane, is rotating in the opposite direction of clockwise. Currents are deflected to the left in the Southern Hemisphere because to the Earth's tilt. As a direct consequence of this, storm systems appear to rotate in a clockwise direction.

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Which of these sections of the article explains WHY Europeans became interested in settling in the Middle East?

Answers

Europeans became interested in settling in the Middle East is because Control over the road trade route. The correct option is (D).

What were the reasons for European expansion and exploration?

Europeans yearned for the authority and wealth that would come from regulating trade. European traders would be able to bypass Middle Eastern intermediaries and take full advantage of eastern trade's profits if they could find all-water routes to Asia and its riches.

They intended to locate new supplies of gold, silver, and other valuables in addition to new trade routes and rich resource sources.

The Middle East's strategic importance and its oil wealth made it a region that European nations desired to rule. In the Eastern Hemisphere, the Middle East has long served as a crossroads of civilisation.

Therefore, Control over the road trade route motivated Europeans' interest in settling in the Middle East.

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This is an incomplete question, the complete question is:

The desire for knowledge that the Renaissance encouraged also led to an increase in adventure and curiosity. This will eventually prompt Europeans to explore the world around them.

FOR "GOD, GOLD, & GLORY

Europeans were not totally isolated from the world, they were involved in the Crusades to take back the Holy Lands (Middle East)

Europeans had neither interest nor ability to explore these foreign lands, but as the desire to grow rich and spread Christianity, coupled with advances in sailing technology, spurred an age of exploration.

EUROPEANS SEEK NEW TRADE ROUTES

The desire for new sources of wealth was a main reason for exploration.

Merchants & traders hoped to benefit from finding sea routes to accrue spices and other luxury goods from Asia.

During the Crusades, Europeans became accustomed to spices and luxury items that were easily found in the Middle East.

After the Crusade, demand for things like nutmeg, ginger, cinnamon, and pepper added to their bland food and the demand for the small supply that made it to Europe meant that merchants could charge extremely high prices. Italians & Muslims controlled the overseas routes to these luxury goods so monarchs of Europe decided to look for an overseas route.

Which of these sections of the article explains WHY Europeans became interested in settling in the Middle East?

Increase interest of Europeans in Spice and luxury of Middle EastIncrease slave trade from Middle EastExpand Islam in Middle EastControl over the road trade route

identify the factors that cause melting and thus the formation of magma.

Answers

The decompression or the overlying pressure present in the mantle rocks causes the rocks to melt and form the magma. when tectonic plates separate decompression enables the melting of rocks.

There are several factors that cause the melting of magma one important factor is temperature. Rocks melt when the temperature of rocks increases above the melting point.

Pressure and fluids present in rocks also cause the formation of magma. The addition of volatiles and heat can conclude to form magma, rocks are made of different minerals and have different melting points.

Thus, magma can have different and variant compositions which may include different, dissolved gases such as carbon dioxide and hydrogen sulfide.

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what property of earthquakes does the richter scale measure? a. intensity. b. magnitude. c. damage and d. destruction caused by the earthquake.

Answers

Option b) magnitude  property of earthquakes does the richter scale measure

An earthquake (also known as a quake, tremor, or temblor) is the shaking of the Earth's surface caused by a sudden release of energy in the Earth's lithosphere, which produces seismic waves. Earthquakes can range in intensity from those that are so minor that they are not felt to those that are powerful enough to propel objects and people into the air, damage critical infrastructure, and devastate entire cities.

The frequency, type, and size of earthquakes experienced in a given area are referred to as its seismic activity. Seismicity at a specific location on Earth is defined as the average rate of seismic energy release per unit volume. Tremor is also used to describe non-earthquake seismic rumbling.

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the jet stream is a global pattern of atmospheric movement that influences patterns in local weather. based on the information provided in the weather map, which city shown most recently experienced a drop in temperature?

Answers

The information provided in a weather map showing the jet stream can be used to identify which city has experienced a drop in temperature.  

The jet stream is typically depicted as a narrow band of strong winds at high altitudes, often shown in bright colors or bold lines on weather maps.The position and direction of the jet stream can have a major influence on local weather patterns, as it can carry cold or warm air masses from one region to another.When the jet stream is positioned over a particular region, it can cause temperatures in that area to drop.By analyzing the position and direction of the jet stream on a weather map, it is possible to determine which cities are likely to experience changes in temperature.If the jet stream is flowing from west to east, for example, then cities located to the west of the jet stream will generally experience warmer temperatures, while cities to the east will be cooler.If the jet stream is meandering or fluctuating, then the impacts on local temperatures can be more complex and difficult to predict.

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a formal region is defined: conceptually - typically in terms of feelings, attitudes and images. in terms of its interdependent parts that are typically linked to a central node. in terms of the uniformity or homogeneity of certain characteristics. by the national geographic

Answers

Option C is Correct. There is a formal area. when it comes to the uniformity or homogeneity of particular characteristics. A formal region is an area where a particular cultural or physical characteristic is highly consistent.

Formal regions are uniform, homogenous areas with a common language, climatic conditions, or political system that are shared by all residents. Functional regions are made up of a focal point and the areas that are impacted by it. People's attitudes and feelings toward areas help define perceptual regions.

Formal regions are clearly defined geographic areas that are united by a characteristic like a common language, culture, religion, or economic activity. Political borders, like the one separating the US from Canada, or natural boundaries, like a river or mountain, can serve as the definition of formal regions.

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Correct Question:

A formal region is defined:

A) In terms of its independent parts, typically tied to a central node

B) Conceptually, typically in terms of feelings, attitudes, and images

C) In terms of uniformity or homogeneity of certain characteristics

D) By the National Geographic Society.

the chicxulub crater is an impact crater buried underneath the yucatán peninsula in mexico. (True or False)

Answers

True. The Chicxulub crater is a massive impact crater beneath Mexico's Yucatán Peninsula.

One of the biggest known impact craters on Earth, the crater is thought to measure 180 kilometres (110 miles) in diameter. It is thought to have been created 66 million years ago by the collision of an asteroid or comet.

At the end of the Cretaceous epoch, the mass extinction of dinosaur species is largely believed to have been caused by this event. The crater is thought to have been produced by an asteroid or comet with a diameter of 10 to 15 kilometres (6 to 9 miles) striking the Earth at a speed of 20 kilometres per second (45,000 mph).

The heat from the collision destroyed the asteroid or comet and melted the rocks, producing a huge cloud of dust that obscured the sun and drastically reduced temperatures.

As a result, there was a period of significant climatic change, which is considered to be one of the main reasons for the mass extinction event.

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what are the three major types of fault boundaries?

Answers

Divergent boundaries — where new crust is formed as the plates pull apart.

Convergent boundaries are formed when one plate dives beneath another.

Transform boundaries — where the plates slide horizontally past each other, neither producing nor destroying crust.

Two tectonic plates moving horizontally in opposite directions away from a divergent boundary form a transform fault. As the plates move against each other, they create a lot of friction. Because the crust is rough, it will become stuck and create pressure. When the pressure becomes excessive, the energy is released, resulting in an earthquake.

A transform fault is a strike-slip fault that connects two tectonic plates moving away from a divergent boundary in opposite directions. San Andres Fault, Alpine Fault, and North Anatolian Fault are a few examples.

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Individuals who opposed immigration to the United States because they
believed immigrants were inferior and threatened American culture were
known as:

Answers

Answer:

The term "nativist" is used to describe individuals who believe in the superiority of their own country and culture and who advocate for restrictive immigration policies.

what percentage of earth is covered in snow and ice?

Answers

Approximately 10% of the Earth's surface is covered in snow and ice.

This includes both permanent ice and snow cover, such as the polar ice caps, and seasonal snow cover, which varies depending on the time of year and location.

The majority of the Earth's permanent ice and snow is located in Antarctica and Greenland, which together hold about 99% of the world's ice. The remaining 1% of permanent ice and snow is found in mountainous regions around the world, such as the Himalayas, Andes, and Alps.

Seasonal snow cover is more widespread and occurs in regions with colder climates, such as in high latitudes and elevations. This snow cover typically melts during the warmer months and reaccumulates during the winter.

The amount of snow and ice cover on the Earth's surface can vary due to factors such as climate change and natural climate variability. The melting of glaciers and sea ice due to rising temperatures has become a significant concern in recent years, as it can lead to rising sea levels and other environmental impacts.

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The radius of a circle is 6 meters. What is the length of a 120° arc?

Answers

The length of a 120° arc is 12.58m

What is meant by circumference?

The circumference of a circle equals the length around it, however, this cannot be used as a definition of the distance is defined in terms of straight lines, as it is in many beginning lectures. Under these assumptions, the circumference of a circle may be defined as the limit of the perimeters of inscribed regular polygons with an increasing number of sides. Circumference may be used to define both real-world objects and abstract geometric forms.

The circle's overall circumference is = 2πr

The total circle has 360°.  

Given arc has only 120°.

Hence,

= 2×22/7×120/360

= 88/7

=12.58

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An angular distance measured north or south of the equator from the center of earth is termed
A) longitude. B) latitude. C) zenith. D) Greenwich distance.

Answers

Answer:

B

Explanation:

An angular distance measured north or south of the equator from the center of the Earth is called latitude. Latitude is used to specify a location's position on the Earth's surface relative to the equator. The equator is defined as 0° latitude, with latitudes increasing to 90° north or 90° south at the poles. Latitude is typically measured in degrees and is used along with longitude to determine a precise location on the Earth's surface.

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