Converging plate boundaries occur at subduction sones. While some plates collide and build mountains by stacking rocks to release pressure.
Subduction occurs at some convergent plate boundaries. Subduction forces one of the tectonic plates down into the Earth's mantle. This most commonly occurs when one of the plates at the convergent boundary is an oceanic plate and the other is a continental plate the plate,the denser of the two,is pushed down where it melts as it approaches the mantle. Magma produced through plate melting often rises and can reach the surface through the formation of volcanoes.Basaltic oceanic crust contains hydrated minerals such as amphiboles,some of which formed by hydrothermal alteration as seawater seeped through hot, fractured, young oceanic crust on the mid-oceanic ridge.As the oceanic crust sinks further into the mantle,the pressure increases,the temperature of the oceanic crustal rocks rises more slowly because the rocks are poor conductors of heat.At depths of about 100 km below the surface,the pressure is great enough for hydrated minerals to undergo metamorphism.
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Which North African ethnic group continues to maintain many of its nomadic and semi-nomadic cultural traditions?
A. Egyptians
B. Libyans
C. Moroccans
D. Berbers
The Berbers are an ethnic group in North Africa that still practises a lot of its nomadic and semi-nomadic cultural customs.
Native to North Africa, the Berbers are mostly found in the countries of Morocco, Algeria, Tunisia, Libya, and Mauritania. Pastoralism, transhumance, and trading across the Sahara are just a few of the nomadic and semi-nomadic practises that the Berber people have practised for a very long time. While some Berbers have migrated to cities, the majority of them still remain in rural areas and continue to lead their traditional lifestyles.
Berbers, option D, is the appropriate response as a result.
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what object causes the earth’s tides?
Answer:
Both the Moon and Sun, but the Moon's effect is about twice as big.
Explanation:
Answer:
moon
Explanation:
Gravity is one major force that creates tides.
moon
copernicus said that the rotation of the earth on its axis caused the
(A) phases of the Moon.
(B) retrograde motion of the planets.
(C) eclipses of the Moon
(D) motion of the Sun along the ecliptic.
(E) daily motions in the heavens.
Copernicus said that the rotation of the earth on its axis caused the (A) phases of the Moon.
Copernicus proposed the heliocentric model of the solar system, which placed the Sun at the center and the planets, including the Earth, revolving around it.
He argued that the phases of the Moon, which are the different shapes of the Moon as seen from Earth, were caused by the relative positions of the Sun, Earth, and Moon. As the Moon orbits around the Earth, the amount of sunlight it reflects changes, leading to different phases.
Copernicus also observed that the retrograde motion of the planets could be explained by their relative positions and the speed of their orbits. His work was a significant contribution to the scientific revolution, and it challenged the geocentric model of the universe that was widely accepted at the time.
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Our living style is determined by climate.Justify with examples.
Which biome, because of its climate, has the largest number of species of plants and animals? a) Tundra, b) Desert, c) Tropical rainforest, d) Pine forest
Answer: A
Explanation: Tundra its big and flat most animals live in this type of habitat
Describe what happens at each number in the diagram so to explain a convection current.
Convection current occurs in liquids and gases. It transfers thermal energy. It occurs until all of the fluid is at the same temperature.
What is Convection current?
Convection currents are caused by variations in fluid density brought on by temperature gradients. A natural convection current is the phenomenon that arises from the constant replacement of the heated fluid in the vicinity of the heat source by the adjacent present cooler fluid.
A convection current drives the motion of the Earth's mantle's constituents. The molten material climbs towards the crust, where it will start to cool, while thermal energy from the core heats the mantle. A little portion of the crust will be pulled back towards the core when the material cools.
The heated air that rises towards the ceiling in your home is an excellent illustration of a convection current. Convection currents are prevalent in the air. The process takes place because warmer air is thought to be less dense than colder air. Wind is another excellent illustration of convection circulation.
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what are the economic uses of three common nonsilicate minerals? Halite is used for common salt, gypsum is used in plaster, and graphite is used as pencil lead.
Hhalite, gypsum, and graphite have various economic uses due to their unique properties.
Halite, or common salt, is used extensively in the food industry as a seasoning, as well as in the production of chlorine, caustic soda, and other chemicals. Gypsum, on the other hand, is used primarily in the construction industry as a key component of plaster, wallboard, and cement.
Finally, graphite is an excellent conductor of electricity and is used in the production of batteries, fuel cells, and other energy storage systems. It is also widely used as a lubricant and in the production of pencil lead.
The economic significance of these minerals lies in their abundance, accessibility, and unique properties, which make them essential to a wide range of industrial and commercial applications.
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when you look at the sky on a dark night and see stars of different colors, which are the hottest?
Blue stars are the hottest
Eastern Europe has a harsher climate because it is farther fromA. North Atlantic Drift
B. Mediterranean
C. The Danube
D. The Atlantic Ocean
Eastern Europe has a harsher climate because it is farther from The Atlantic Ocean (D)
How does The Atlantic Ocean affect the climate?The ocean currents function in a way that is similar to that of a conveyor belt, moving cold water from the tropics to the poles and warm water from the poles back to the equator. Warm water and precipitation go in the other direction. As a result, ocean currents help to manage the global temperature by helping to compensate for the uneven distribution of solar energy that reaches the surface of the earth.
The ocean acts as a temperature regulator and is a primary driver of the weather, influencing such phenomena as rainfall, drought, and flooding. According to estimates, ocean waters are responsible for the circulation of around 83% of the world's total carbon cycle. Because of this, the oceans are also the world's largest carbon store.
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what is urban area ?
Answer: An urban area, built-up area or urban agglomeration is a human settlement with a high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, towns, conurbations or suburbs.
Explanation:
what is the movement of population from rural areas to cities called
Answer:
Urbanization
Explanation:
Which civilization is credited with the first recorded newspaper
Answer:
The first recorded newspaper is generally credited to the ancient civilization of China. The "Dibao," or "reports to the throne," was a government-produced news sheet that first appeared during the Han dynasty in the second century BCE. It was circulated throughout the empire and contained news of court events, edicts, and other official announcements. The "Dibao" was written on silk and bamboo strips, and was often read aloud in public places by government officials. While the "Dibao" was not a true newspaper in the modern sense, it is considered an important precursor to the modern news media.
Kayla has 5 rolls of green ribbon. Each roll has 4 meters of green ribbon. She has 6 rolls of blue ribbon. Each roll has 3 meters of blue ribbon
Kayla has a total of 20 meters of green ribbon and 18 meters of blue ribbon.
Kayla is a ribbon enthusiast and has a collection of different colored ribbons.Among her collection, she has 5 rolls of green ribbon.Each roll of green ribbon is 4 meters in length.The total length of green ribbon that she has is 5 rolls x 4 meters per roll = 20 meters.Kayla also has 6 rolls of blue ribbon.Each roll of blue ribbon is 3 meters in length.The total length of blue ribbon that she has is 6 rolls x 3 meters per roll = 18 meters.Kayla now has a total of 20 meters of green ribbon and 18 meters of blue ribbon.She can use the ribbons for various crafts and decoration projects.The green ribbon can be used to add a pop of color to her projects.The blue ribbon can be used to create a calm and peaceful atmosphere.With both the green and blue ribbon, Kayla can create a variety of different moods and styles.Kayla is happy with the amount of ribbon she has and is excited to use it in her future projects.She is always on the lookout for new ribbons to add to her collection.With her collection of green and blue ribbon, Kayla is ready to unleash her creativity.
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Which action is part of a scientific investigation?
A. Interview scientists from many areas of study.
B. Gather opinions about which natural events to observe.
C. Record useful data gathered through observation.
D. Analyze the total cost of conducting an experiment.
C. Record useful data gathered through observation.
Magmas have a variety of chemical compositions because of all of the following EXCEPT
A. the rocks that melt to make magma are composed of many minerals, not all of which melt under the same conditions.
B. the magmas' heat can melt rock from the walls of the magma chamber.
C. they come from a variety of source rocks.
D. different magmas formed in different locations are isolated and don't mix.
Magmas have a variety of chemical compositions because of all of the following EXCEPT "different magmas formed in different locations are isolated and don't mix".
The other options provided are all potential reasons for the variety of chemical compositions of magmas. The rocks that melt to form magma are made up of different minerals that do not all melt under the same conditions, resulting in a range of chemical compositions. The heat from magma can also melt rocks from the walls of the magma chamber, contributing to the composition of the magma. Additionally, magmas can come from a variety of source rocks, each with their own chemical compositions, which can affect the overall composition of the resulting magma.
Magmas are molten materials that are formed beneath the Earth's surface, typically in the mantle or lower crust. They can have a wide range of chemical compositions, depending on a number of factors.
One important factor is the composition of the rocks that melt to make the magma. Rocks are made up of various minerals, and not all of these minerals melt at the same temperature and pressure conditions. As a result, when rocks are heated up, some minerals may melt before others, leading to a range of chemical compositions in the resulting magma.
Another factor is the heat from the magma itself. As magma rises towards the surface, it can heat up and melt the surrounding rocks, which can also contribute to the chemical composition of the magma.
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Li has 3 more dimes than nickels. The value of all of his coins is $3.00. Which system of equations can be used to find the number of nickels, n, and dimes, d, that Li has?
Answer:
Li has 12 nickels and 12 + 3 = 15 dimes.
Explanation:
Let's call the number of nickels Li has "n". Then, the number of dimes he has would be "n + 3". We know the total value of all of Li's coins is $3.00. Nickels are worth $0.05 each, and dimes are worth $0.10 each, so we can write a system of two equations to represent this information:
n * $0.05 + (n + 3) * $0.10 = $3.00
Expanding the right side:
n * $0.05 + n * $0.10 + 3 * $0.10 = $3.00
Combining like terms:
1.5n + $0.30 = $3.00
Subtracting $0.30 from both sides:
1.5n = $2.70
Dividing both sides by 1.5:
n = $1.80 / 1.5 = 12
quiz calvin is doing some research on climate change. he finds the following book at his local library: hansen, emily, phd. our world is warming up. new york, bantam books, 2019. how can he tell that this is a credible source? select two answers.
The evidence was simply disregarded by the supporters. The truth is that the world was already warming and cooling before greenhouse gases could have had a role.
What is an illustration of a counterclaim?Examples of counterclaims include: After a bank sues a customer for an outstanding debt, the consumer files a counterclaim (return lawsuit) against the bank alleging fraud in obtaining the debt. In a single litigation, the court will adjudicate the various claims (unless the claims are severed).
What does a counterclaim in an argumentative text 1 point mean?The argument (or one of the arguments) that contradicts your thesis statement is known as a counterclaim. The reverse of an argument, or an opposing argument, is called a counterclaim.
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which river serves as part of the eastern border of israel?
Israel is a country in western Asia. The country is surrounded by Syria, Egypt, Jordan, etc. Jordan river creates the boundary of Israel.
The Dead Sea, Emek Ha'arva/Wadi Araba, the Jordan and Yarmouk Rivers, and the Gulf of Aqaba were all declared to constitute the boundaries between Israel and Jordan as well as between Jordan and the region that Israel seized in 1967 when the agreement was signed.
Jordan River is a river in the Middle East and southwest Asia. Its elevation is the lowest of any river in the world and it is located in a structural depression.
The river begins on Mount Hermon's slopes on the border between Syria and Lebanon before flowing across northern Israel and ending at the Sea of Galilee (Lake Tiberius). After emerging from the ocean, it travels south, separating Jordan to the east from Israel and the Israeli-occupied West Bank to the west, and then empties into the Dead Sea.
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which two statements are supported by the data in the graph? which two statements are supported by the data in the graph? in 1970, we began to overshoot earth's capacity to support us. for over 50 years, people have used renewable resources faster than the earth could replenish them. the global ecological footprint will continue to rise for some time, but it can never increase above two planets. in 2007, the average american used about 1.5 times the amount of renewable natural resources earth can support. the global ecological footprint has generally increased over time, with brief periods of decrease. the global ecological footprint has only increased over time, and never decreased.
The global ecological footprint can never exceed the capacity of two planets.
The data in the graph clearly shows that, since 1970, humanity exceed the Earth's biocapacity, which means that we are using up natural resources faster than the Earth can replenish them. This trend has continued for more than 50 years, and it has led to a general upward trend in the global ecological footprint. While there have been occasional periods of decrease, such as during economic recessions, the overall trend has been an increase in the ecological footprint. This trend is alarming because it puts the planet's resources and ability to support human life at risk.
In addition to highlighting the problem, the graph also suggests the need for action. Policymakers and individuals alike must take steps to reduce our ecological footprint, such as by promoting sustainable practices and reducing waste. While this may require significant changes in lifestyle and consumption habits, the consequences of inaction could be catastrophic for the planet and all its inhabitants. Therefore, it is essential to act quickly and decisively to reduce our ecological footprint and ensure a sustainable future for generations to come.
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how does the largest asteroid, ceres, compare in size to other solar system worlds? A) It is larger than Pluto and Mercury. B) It is about the size of a large jovian moon. C) It is about the size of Pluto. D) It is about a quarter the size of the Moon. E) It is smaller than any jovian moon
The largest asteroid, Ceres, is actually quite a sizable object in the solar system.
Compared to other solar system worlds, it is larger than Pluto and Mercury, which rules out options A and C. However, it is not as large as any of the jovian moons, which rules out option E.
Option B is partially correct in that Ceres is comparable in size to some large moons in the outer solar system. In fact, Ceres has a diameter of about 590 miles (940 kilometers), which is similar in size to some of the larger moons of Jupiter, such as Callisto (diameter of 2,995 miles or 4,821 kilometers) or Ganymede (diameter of 3,273 miles or 5,262 kilometers).
Option D is the closest to the correct answer. Ceres is about 590 miles (940 kilometers) in diameter, which is roughly a quarter the size of Earth's Moon (diameter of 2,159 miles or 3,474 kilometers). Therefore, the correct answer is D) It is about a quarter the size of the Moon.
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Which best describes the relationship between Christianity and Islam in the Middle Ages?
Responses
a. Most Christians considered Islam an inferior branch of Christianity.
b. Christians tried to stop the spread of Islam in the Middle East and Europe.
c. Christian nations in the Middle East and Southern Europe converted to Islam.
d. Muslims withdrew mostly into the Arabian Peninsula from Christian regions.
Answer:
B
Explanation:
None of the other options are correct
which map projection is torn, or cut, in order to reduce shape distortion in specific parts ofthe map?
Answer:
Explanation:
interrupted
A cadet is able to walk 1km over flat ground in 15 mins. How long would it take him to cover a distance of 5km over similar terrain?
The cadet will take 75 minutes with the same speed of 4km/hour to cover a a distance of 5km over similar terrain.
What is speed?An object's speed is defined as the magnitude of its position change over time or the magnitude of its position change per unit of time. It is a scalar value. The average speed of an object in a given time interval is the distance travelled divided by the duration of the interval.
The speed of the cadet is calculated as :-
Speed = Distance ÷ Time,
where,
Distance = 1 km
Time = 15 mins or 1/4 hour
Speed = 1 ÷ 1/4
= 4 km/hour
∴ Time taken to cover a distance of 5km will be:-
Time = Distance ÷ Speed
= 5/4
= 1.25 hour or 75 mins.
Therefore, the cadet would take 75 minutes to cover a distance of 5 km.
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the idealized conditions necessary for a population to achieve rmax include
In ecology, "rmax" or maximum intrinsic rate of population growth, refers to the theoretical maximum rate at which a population can increase under ideal conditions.
The idealized conditions necessary for a population to achieve rmax are:
1. Unlimited Resources: The population must have access to a constant and unlimited supply of food, water, and other essential resources required for their survival and reproduction.
2. No Predation: The population must not face any predation, disease, or parasitism. This means that the individuals in the population are not being hunted or killed by any other organisms.
3. Optimal Environmental Conditions: The population must be living in an environment that is free from any adverse or stressful conditions such as extreme temperatures, weather events, or natural disasters.
4. No Competition: The population must not face any competition for resources from other organisms in the same ecological niche.
5. High Reproductive Output: The individuals in the population must have a high reproductive output and produce many offspring in each generation, which can grow and reproduce quickly.
In reality, these conditions are rarely met, and populations typically operate under conditions that are less than ideal. Thus, rmax is usually only attainable under artificial laboratory conditions, and in the natural world, it represents a theoretical limit that populations cannot realistically achieve.
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black coloration in sedimentary rocks generally implies what character of the sedimentary environment?
Write a statement about Fall Lines that shows the connection between
movement, region, human-environment interaction, location, and/or place. Be sure to include specifics about the fall line, gristmill, and their
relationship with one another.
Waterfalls and rapids provided a source of energy that was harnessed by early settlers to establish gristmills, which played a key role in shaping the human-environment interaction and location of many communities.
The Fall Line Gristmill Interaction And How they were harnessedThe Fall Line, which marks the boundary between the Atlantic Coastal Plain and the Piedmont Plateau, is a significant geographical feature that has shaped the development of many regions in the United States. At this location, waterfalls and rapids provided a source of energy that was harnessed by early settlers to establish gristmills, which played a key role in shaping the human-environment interaction and location of many communities.
These gristmills, which were essential for grinding grain into flour, were often located near the fall line to take advantage of the energy generated by the falling water. This, in turn, attracted settlers to the area, leading to the growth and development of towns and cities along the fall line.
As such, the fall line and gristmills serve as powerful examples of the interplay between movement, region, human-environment interaction, location, and place in shaping the character and development of a region.
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the process of sediment being buried and pressed together
Answer:
compaction
Explanation:
what was the main selective pressure behind the evolution of different anolis lizard species in the caribbean?
Different species evolved in response to the selective pressures created by the islands' specific ecological niches.
Anolis carolinensis, also known as the green anole (US: /no.li/ (listen)) (among other names below), is a tree-dwelling anole lizard native to the southeastern United States and introduced to Pacific and Caribbean islands. The green anole is a small to medium-sized lizard with a trunk-crown ecomorph that can change its color from brown to green.
Other names for the Carolina anole include Carolina green anole, American anole, North American green anole, and red-throated anole. Due to its color-changing ability, it is commonly referred to as chameleon in the southeastern United States and sometimes as the American chameleon (typically in the pet trade); however, it is not a true chameleon.
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why are there high ozone concentrations over the north atlantic ocean duringthe summer, despite the lack of large noand voc emissions from the ocean
The high ozone concentrations over the North Atlantic Ocean during the summer are due to a combination of natural factor such as high temperature, and human factors such as transportation which is more frequently happens in the summer.
One of the main natural factors is the high levels of sunlight and temperature during the summer, which can cause ozone to form through a series of chemical reactions.
Additionally, air masses containing ozone from other regions can be transported over the North Atlantic Ocean by winds. Human factors, such as emissions from sources located far from the ocean, can also contribute to the high ozone concentrations over the North Atlantic Ocean during the summer.
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Analyze the image below and answer the question that follows. A strip of land is dividing a body of water. Image courtesy of NASA The image above shows an __________, a narrow strip of land that connects two larger landmasses. A. isthmus B. island C. estuary D. atoll
The Image courtesy of NASA The image above shows an isthmus, a narrow strip of land that connects two larger land masses.
What is an image?The word image is defined as, the visual representation of something, that can be two-dimensional, as it can be three-dimensional. the image is been an articraft. such as photographs. as they can be two-dimensional.
As the image of the isthmus is referred to as the narrow piece of land, which were connecting the two larger areas across an expanse of water, as they were also divided expanse of water. And isthmus that consists of a spit.
Therefore, The right option (C) is correct.
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