Answer:
True.
Explanation:
It is true because Pangea was close together that the continents collided together and over a time of 4.5 billion years was when the continents drifted apart about 2 inches which is how long it takes for your fingernails to grow each year.
the radius of the earth is 3959 approximately miles. which is closest to the surface area of the northern hemisphere?
According to the question the surface area of the northern hemisphere is closest to 98.45 million square miles.
We first need to determine the surface area of the entire Earth, which can be calculated using the formula for the surface area of a sphere: 4πr², where r is the radius of the Earth. Plugging in the given value of 3959 miles for r, we get:
4π(3959)² ≈ 196.9 million square miles
Since the Earth is roughly spherical in shape, we can assume that the surface area of the northern hemisphere is roughly half of the total surface area of the Earth. Therefore, the surface area of the northern hemisphere would be approximately:
0.5(196.9 million) = 98.45 million square miles
So the answer is that the surface area of the northern hemisphere is closest to 98.45 million square miles.
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The name of a location on earth surface is a:
A. scale name B. site C. situation
D. toponym
E. geonym
Toponyms are important for navigating and identifying locations on Earth's surface and can offer insight into the history and culture of a region.
The correct answer is D. toponym. A toponym is a name given to a place on the Earth's surface, often based on local geography, history, or culture. Toponyms can vary in their origins and can include names given by indigenous peoples, colonial powers, or later settlers. For example, New York City's toponym comes from the name of the English city of York and the word "new" to signify its location as a new settlement. Toponyms are important for navigating and identifying locations on Earth's surface and can offer insight into the history and culture of a region.
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what component of global circulation is most responsible for the prevailing winds in this region?
The prevailing winds in a region are primarily influenced by the global circulation component known as the Hadley Cell.
The Hadley Cell is a global atmospheric circulation pattern that plays a major role in determining the prevailing winds in different regions of the world. This circulation pattern is driven by the differential heating of the Earth's surface by the Sun, which creates areas of low and high pressure. In the tropics, the intense heating of the equatorial regions creates a region of low pressure, which causes air to rise and flow towards the poles. This rising air cools as it ascends and releases moisture, leading to the formation of tropical rainforests.
As the air flows away from the equator towards the poles, it descends and creates areas of high pressure, which causes air to flow back towards the equator. This circulation pattern creates the trade winds, which are the prevailing winds in the tropics. The direction of the trade winds is influenced by the Coriolis effect, which causes the winds to curve to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. Therefore, the prevailing winds in a region are primarily influenced by the Hadley Cell, which is in turn influenced by the differential heating of the Earth's surface by the Sun.
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what is the main reason that mars, compared to earth, has become so geologically inactive?
The main reason Mars has become geologically inactive compared to Earth is its smaller size and cooling rate.
Mars is significantly smaller than Earth, which means it has a smaller internal heat source from its core. Over time, the planet's internal heat has dissipated, causing its geological activity to decrease. On Earth, the larger size and higher heat production from the core sustain ongoing geological processes like plate tectonics and volcanic activity.
Additionally, Mars lacks the same level of tectonic activity as Earth. The absence of plate tectonics means that there are no active boundaries where crustal plates interact, leading to the formation of mountains, earthquakes, and volcanic activity. Plate tectonics play a crucial role in maintaining geological activity on Earth by recycling the crust and releasing heat from the interior.
Furthermore, Mars has a thinner atmosphere compared to Earth, resulting in reduced heat retention and less efficient transfer of energy. This leads to lower surface temperatures and limits the potential for geological processes that require higher temperatures, such as widespread volcanic activity.
Overall, the combination of Mars' smaller size, slower cooling rate, lack of plate tectonics, and thinner atmosphere are the main reasons why it has become geologically inactive in comparison to Earth.
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during which phase of the moon would we most likely see a solar eclipse?
During which phase of the moon we would most likely see a solar eclipse depends on the type of eclipse. A solar eclipse occurs when the moon passes between the sun and the Earth, blocking the sun's light and casting a shadow on Earth's surface. There are two types of solar eclipses: partial and total.
During a partial solar eclipse, the moon blocks only a portion of the sun's light, so it can occur at any phase of the moon. However, during a total solar eclipse, the moon fully blocks the sun's light, and this can only occur during the new moon phase.
During the new moon phase, the moon is located between the sun and Earth, and the side of the moon facing Earth is not illuminated. This allows the moon to perfectly align with the sun, resulting in a total solar eclipse.
In summary, a total solar eclipse can only occur during the new moon phase, while a partial solar eclipse can occur during any phase of the moon.
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of the types of igneous rock formed underground, which one is most familiar?
The most familiar type of igneous rock formed underground is granite.
Granite is a coarse-grained igneous rock that is typically composed of quartz, feldspar, and mica. It forms deep within the Earth's crust when molten magma cools slowly, allowing mineral crystals to grow. Granite is commonly used as a building material due to its durability and attractive appearance. It is also used as a decorative stone for countertops, flooring, and other interior design applications. In addition to its practical applications, granite is also appreciated for its natural beauty, with its distinctive speckled appearance and range of colors.
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examine the drainage pattern on the topographic map and the earth image. based on the direction of stream flow and the influence of topography, in what direction is the erosion, or retreat of the landscape occurring? how did you determine this?
The drainage pattern on the topographic map and the earth image shows the direction of stream flow and the influence of topography on the landscape. By examining the drainage pattern, we can determine the direction of erosion or retreat of the landscape. Typically, the direction of erosion is in the same direction as the flow of water, following the path of least resistance.
In this case, we can see that the stream flow is generally flowing from the higher elevations to the lower elevations, indicating that erosion is occurring in a downstream direction. This is also supported by the fact that the drainage pattern shows a dendritic (tree-like) pattern, which is characteristic of areas with flat-lying or uniform rock formations.
Furthermore, we can also look at the topography of the area to determine where erosion is likely to occur. Typically, areas with steep slopes or areas where the rock is easily eroded will experience more erosion than areas with gentle slopes or resistant rock formations.
Overall, by examining both the drainage pattern and the topography of the area, we can determine that erosion is likely occurring in a downstream direction, following the path of least resistance and influenced by the topography of the landscape.
Which group of Caribbean Islanders are not technically immigrants because they are U.S. citizens?
a. Cubans
b. Dominicans
c. Puerto Ricans
d. Jamaicans
e. Haitians
The group of Caribbean Islanders who are not technically immigrants because they are U.S. citizens are Puerto Ricans.
Puerto Ricans are U.S. citizens by birthright due to the political relationship between Puerto Rico and the United States. Puerto Rico is an unincorporated territory of the United States, and its residents are considered U.S. citizens.
As a result, Puerto Ricans can freely move to and reside in the United States without being classified as immigrants.
On the other hand, individuals from other Caribbean countries such as Cuba, the Dominican Republic, Jamaica, and Haiti are considered immigrants when they move to the United States because they are foreign nationals seeking residency or citizenship.
The distinction between Puerto Ricans and immigrants from other Caribbean countries is based on the legal and political status of Puerto Rico as a U.S. territory. Puerto Ricans have a unique citizenship status that sets them apart from other Caribbean Islanders when it comes to immigration.
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paved roads, a reliable supply of electricity, and methods of water management are examples of
Paved roads, a reliable supply of electricity, and methods of water management are examples of infrastructure. Therefore, the correct answer is option B.
Infrastructure refers to the physical structures and facilities that support the functioning of society, including transportation systems, communication networks, water and energy supplies, and public buildings.
Infrastructure is essential for economic development and quality of life, as it enables the movement of goods and people, facilitates communication and trade, and supports access to basic services like water and electricity. Reliable infrastructure also helps to attract investment and create jobs, driving economic growth and prosperity.
While infrastructure can be built and maintained by both the public and private sectors, it often requires significant investment of resources and coordination among multiple stakeholders. Governments are often key players in the development and maintenance of infrastructure, as they can provide funding, regulation, and planning expertise.
Overall, infrastructure plays a critical role in shaping the social and economic conditions of communities and societies, and investing in infrastructure is often a key strategy for promoting development and prosperity. Thus, option B is correct.
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Complete Question:
Paved roads, a reliable supply of electricity, and methods of water management are examples of
A) governmental resources.
B) infrastructure.
C) agricultural techniques.
D) natural resources.
natural resources are resources naturally occurring on earth that are necessary or useful to humans. natural resources include:
Natural resources are resources that occur naturally on Earth and can be used for economic gain or other purposes. They can be divided into two broad categories: renewable and non-renewable resources.
Renewable resources are those that can be replenished over time, such as solar energy, wind energy, hydro power, geothermal energy, biomass, and water. Non-renewable resources are those that are finite and cannot be replenished, or at least not within a reasonable amount of time, such as fossil fuels (coal, oil, natural gas), minerals (iron, copper, gold), and precious stones (diamonds, emeralds). Other examples of natural resources include timber, fisheries, fresh water, fertile soil, and wildlife. These resources can be used for a variety of purposes, including energy production, construction, agriculture, and manufacturing.
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True or false: Most of the space occupied by a thin gold film is taken up by the nuclei.
False. Most of the space occupied by a thin gold film is not taken up by the nuclei.
In fact, the majority of the volume in a thin gold film is occupied by the electron cloud surrounding the nuclei. Gold, like other metals, has a structure consisting of a regular arrangement of positively charged atomic nuclei surrounded by a sea of delocalized electrons.
The electrons are not tightly bound to individual nuclei and can move freely within the metal lattice. This arrangement gives metals their characteristic properties such as high electrical and thermal conductivity. In a thin gold film, the electron cloud extends throughout the entire volume of the film, occupying the space between the nuclei. Therefore, it is the electron cloud, rather than the nuclei, that occupies most of the space in a thin gold film.
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the upper part of the ocean into which sunlight penetrates is called the photic zone.
T/F
True. The photic zone is the top layer of the ocean that receives sunlight and is responsible for sustaining a variety of marine life.
It extends from the surface of the ocean down to a depth of about 200 meters. The amount of sunlight that penetrates the photic zone varies depending on factors such as the time of day, weather conditions, and location. As sunlight travels through the photic zone, it provides the energy needed for photosynthesis to occur in marine plants and algae. These organisms serve as the base of the ocean food chain and support the survival of other marine animals. However, beyond the photic zone lies the aphotic zone, where sunlight cannot penetrate, and the ocean floor. Understanding the photic zone is crucial in studying the ocean's ecosystems and how they respond to environmental changes.
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when does the state of north carolina require an autopsy to be done on a body
The state of North Carolina requires an autopsy to be performed in certain circumstances. These include deaths that occur suddenly and unexpectedly, deaths that are a result of violence, deaths that are suspicious, deaths that occur while someone is in custody, and deaths that occur during or as a result of medical or surgical procedures.
Additionally, the state may require an autopsy in cases where a public health concern exists, such as deaths that result from infectious diseases. Autopsies are performed by a medical examiner or a forensic pathologist and involve a detailed examination of the body to determine the cause and manner of death.
They can be important in providing answers to family members, identifying potential criminal activity, and improving public health policies. It is important to note that families can request an autopsy in situations where it may not be required by the state. However, the cost of the autopsy will typically fall on the family in these cases.
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The period of time over which an operational plan will be in effect is known asa a. planning horizon.b. fiscal period. c. quality circle.d. process layout
The planning horizon refers to the period of time during which an operational plan will be implemented and remain in effect. It is the timeframe that organizations consider when developing their strategies, setting goals, and making operational decisions.
The length of the planning horizon can vary depending on the nature of the organization, industry dynamics, and the specific objectives of the plan. It can range from short-term plans, typically covering a few months to a year, to long-term plans that span several years or even decades.
Short-term planning horizons are often focused on immediate operational goals and addressing current challenges or opportunities. They involve detailed plans for day-to-day activities, resource allocation, and performance monitoring.
Long-term planning horizons, on the other hand, are more strategic in nature. They involve setting broader goals, formulating strategies, and making decisions that will shape the organization's future direction. Long-term planning horizons are particularly important for organizations that need to consider factors such as market trends, technological advancements, and regulatory changes that may impact their operations over an extended period.
The planning horizon helps organizations ensure alignment between their short-term actions and long-term objectives. By considering the time dimension in their planning processes, organizations can make more informed decisions, allocate resources effectively, and adapt to changing circumstances while working towards their strategic goals.
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australia is a federal political entity consisting of six states and two federal territories. T/F.
It is true as Australia is a federal parliamentary democracy and a constitutional monarchy with the monarch of the United Kingdom as the monarch of Australia.
It consists of six states (New South Wales, Victoria, Queensland, Western Australia, South Australia, and Tasmania) and two major mainland territories (the Northern Territory and the Australian Capital Territory). Each state and territory has its own government and parliament, with powers and responsibilities outlined in the Australian Constitution. The federal government has powers over areas such as defense, foreign affairs, and trade, while the states and territories have control over areas such as education, healthcare, and transportation.
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Sec. Questions 1-5, select the correct alternative. 1. The eastern most longitude of India is (a) 97° 25' E (b) 77° 6' E (c) 82° 32' E (d) 68° 7' E
The eastern most longitude of India is (a) 97° 25' E.
Where is India ?India can be found in the eastern hemisphere of our planet, divided into longitude degrees of 360. The state of Arunachal Pradesh occupies India's easternmost point near its Chinese border. This area is represented by Kibithu Village and positioned at a precise longitude of 97°25'E.
The region obtained terrific ecological importance to most notably harbor rare or endangered varieties of flora and fauna. Additionally, this particular terrain lies within a remote and rugged section of Bengaluru’s Himalayas and therefore exceptionally challenging to access due to geographic limitations coupled with an ongoing dispute regarding its closely shared borderlines with China.
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What are the two problems that override all other problems in the Everglades today?
Select one:
A. The Everglades receives too little water, and the water it receives is polluted with nutrient minerals from agricultural runoff.
B. The Everglades has too many foreign species crowding out natives, and as a National Park cannot expand in size.
C. The Everglades receives too much water, and the water it receives comes in destructive floods due to breeches in the levee system.
D. The Everglades urban growth and expansion of agriculture into the southernmost areas are responsible for loss of biodiversity in the area.
E. The Everglades depends on the Florida aquifer for clean, fresh water however that water is being diverted to gold courses and the aquifer is running dry.
The two problems that override all other problems in the Everglades today are A. The Everglades receives too little water, and the water it receives is polluted with nutrient minerals from agricultural runoff.
The Everglades, which is a unique ecosystem, is dependent on a delicate balance of freshwater input from the north and saltwater from the south. Due to extensive water management efforts, the natural flow of water has been disrupted, and the Everglades is receiving less water than it needs. Additionally, agricultural runoff, containing high levels of nutrient minerals, such as phosphorus and nitrogen, is polluting the water. This excess nutrient causes harmful algae blooms, which disrupts the food chain and affects the ecosystem's balance.
To restore the Everglades, it is crucial to address these two problems and restore the natural flow of water while regulating agricultural runoff.
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Which pattern best describes the motion of water particles in a wave in the open ocean?
Hints
zigzag pattern up and down the beach
circular orbit
up and down
compression-dilation
back and forth
Answer: Circular Orbit
Explanation: Hope this Helps :))
Which one of the following is not true of the Mekong Deltaâs Oc Eo?? a. It was apparently the first city to emerge in Southeast Asia. b. It was the focus of a long-distance trading network that stretched from China to Africa and even the Mediterranean. c. It was located in present-day Indonesia. d. It declined after the 5 th century A.D.
Of the options given, the statement that is not true about the Mekong Delta's Oc Eo is that it was located in present-day Indonesia (Option C).
This is incorrect because Oc Eo was actually located in present-day Vietnam. Oc Eo was an important trading center and was believed to be the first city to emerge in Southeast Asia. It was the hub of a long-distance trading network that spanned from China to Africa and even the Mediterranean. The city was known for its wealth and was a major center for the trade of luxury goods such as ivory, gold, and precious stones. However, the city declined after the 5th century AD and was eventually abandoned. Today, Oc Eo is an important archaeological site and is considered an important historical and cultural landmark in Vietnam. it is important to pay attention to details and understand the context of historical events and locations.
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Longer periods of drizzle, rain, or snow are usually associated with which cloud type? Answer a. stratus b. cumulus c. cirrus d. None of the above.
Stratus clouds are low-level clouds that form a uniform, gray layer and are often associated with longer periods of drizzle, rain, or snow. Therefore, the correct option is a. stratus.
They are formed when moist, stable air is forced to rise and cool, causing water vapor to condense into small water droplets. These clouds can remain in place for long periods of time, leading to prolonged periods of precipitation. Stratus clouds can also be associated with fog, which is essentially a stratus cloud that forms at ground level.
Stratus clouds can have a significant impact on weather conditions, as they can reduce visibility, lower temperatures, and cause damp and dreary conditions. They are commonly observed in coastal regions, where moist air from the ocean is forced to rise and form clouds as it encounters cooler air over the land.
Therefore, the correct option is a. stratus.
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Which constituent of the atmosphere is found in a concentration range of 1-50 ppb in urban areas?
SO2
CO
NO
CO2
The constituent of the atmosphere that is found in a concentration range of 1-50 ppb in urban areas is NO2, which is a nitrogen oxide.
This gas is primarily emitted by motor vehicles and industrial processes, and is a major contributor to air pollution in urban areas.
Nitrogen oxides can react with other compounds in the atmosphere to form ground-level ozone, which can have harmful effects on human health and the environment.
In addition to NO2, other pollutants that are commonly found in urban areas include SO2 and CO2, which are both produced by the burning of fossil fuels. It is important to monitor and regulate these pollutants in order to maintain air quality standards and protect public health.
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The element first found in the Sun's spectrum, then on Earth 30 years later, is:
A) hydrogen.
B) helium.
C) solarium.
D) technetium.
E) aluminum.
D) technetium. The element first found in the Sun's spectrum, then on Earth 30 years later, is technetium.
Technetium is a synthetic chemical element with the atomic number 43. It was first discovered in the spectrum of the Sun by astronomers in the 1920s. However, it took almost three decades for technetium to be synthesized and identified on Earth.
In 1937, technetium was successfully produced in a laboratory by Emilio Segrè and Carlo Perrier. They bombarded molybdenum with deuterons, leading to the creation of technetium-97. The discovery of technetium filled a gap in the periodic table and was significant as it was the first element to be produced artificially. Since then, other isotopes of technetium have been synthesized for various scientific and medical applications.
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the steeper, lee slope of a sand dune is called the slip face. True or False?
It is true that the slip face of a sand dune is the steeper, lee slope of the dune where the sand grains slip down due to gravity.
The slip face is typically on the leeward side of the dune, where the wind is weaker and the sand is less likely to be eroded away. The slip face can be quite steep, often at an angle close to the angle of repose of the sand, which is the steepest angle at which sand can be piled up without collapsing due to gravity. As sand grains accumulate on the slip face, they can build up into ripples or even secondary dunes, creating complex patterns in the dune field.
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the temperature at which you would expect a cloud to become completely glaciated is:
The temperature at which you would expect a cloud to become completely glaciated is called the glaciation level or temperature. This temperature varies depending on the type of cloud and the altitude at which it is located.
Generally, the glaciation level is around -15°C to -40°C, meaning that the cloud particles freeze and become ice crystals. This happens because at this temperature, water droplets freeze spontaneously, forming ice crystals.
This process is known as heterogeneous nucleation, where particles such as dust, pollen or soot act as a nucleus for water droplets to freeze onto. Once the cloud is completely glaciated, it can result in snowfall or hail. The understanding of glaciation is important in predicting weather patterns and forecasting precipitation.
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braided channels are characterized by numerous gravel bars and islands that divide and reunite the channel true false
True. Braided channels are characterized by numerous gravel bars and islands that divide and reunite the channel. Braided channels are typically found in river systems with high sediment loads and a steep gradient.
The sediment load in the river system contributes to the formation of gravel bars and islands, which in turn divide and reunite the channel. These gravel bars and islands constantly change due to erosion and deposition, resulting in the braided channel pattern. The channels can vary in width and depth, and they can be shallow or deep, depending on the sediment load and the gradient of the river system. Braided channels are important habitats for many aquatic species and serve as natural flood control systems, helping to prevent flooding in downstream areas.
In conclusion, braided channels are characterized by numerous gravel bars and islands that divide and reunite the channel, and they are a common feature in river systems with high sediment loads and a steep gradient.
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the first hint of the role of asteroids in extinction of the dinosaurs came from
The first hint of the role of asteroids in extinction of the dinosaurs came from finding a layer of worldwide iridium enriched dust.
Asteroid dust has been found in the well-known Chicxulub crater in the Yucatan, which has long been connected to the 66 million-year-old demise of the dinosaurs. The researchers looked at the crater's rock cores. They discovered iridium, a distinctive element that is common in certain asteroids but rare on Earth.
The 1980s saw the development of the theory that an asteroid killed out the dinosaurs due to an increase in iridium discovered in geologic strata all across the planet. Scientists discovered Chicxulub Crater off the Mexican Yucatan Peninsula in the 1990s and speculated that it may have been an impact site. Iridium has now been discovered in several areas of the Chicxulub crater. This finding "seals the deal," according to the researchers.
Option C is the correct answer.
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The complete question is, "The first hint of the role of asteroids in extinction of the dinosaurs came from
A) finding the huge crater in the Yucatan.
B) finding dinosaur fossils with meteorites imbedded in them.
C) finding a layer of worldwide iridium enriched dust.
D) finding that dinosaurs were warm-blooded and smart.
E) finding that no volcanic eruptions were linked to their disappearance."
the coriolis effect causes winds to choose one: a. flow only westward. b. circulate east and west. c. flow only eastward. d. circulate north to south.
In the given statement, the coriolis effect causes winds to circulate east and west.
The coriolis effect is a phenomenon that causes objects, including winds, to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This effect occurs because the Earth is rotating, and it causes the winds to circulate both east and west. Therefore, option B, "circulate east and west," is the correct answer to your question. The Coriolis effect is responsible for creating global wind patterns, which play a crucial role in weather and climate patterns around the world. These wind patterns are critical in helping to distribute heat and moisture throughout the Earth's atmosphere, which ultimately affects the weather conditions that we experience on a daily basis. In conclusion, the Coriolis effect causes winds to circulate both east and west, and this has significant implications for weather and climate around the world.
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the temperature at the bottom of lake tahoe, high in the sierra mountains in california, at this moment is
The temperature at the bottom of Lake Tahoe is 4 degrees Celsius (39 degrees Fahrenheit).
The water at the bottom of Lake Tahoe is so cold because it is insulated by the layers of water above it. The surface of the lake is warmed by the sun, but the heat does not penetrate very far below the surface. The deeper the water, the colder it gets.
The cold water at the bottom of Lake Tahoe is important for the lake's ecosystem. It provides a habitat for cold-water fish species, such as kokanee salmon and rainbow trout. The cold water also helps to keep the lake clear and free of algae blooms.
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Complete Question:
the temperature at the bottom of lake tahoe, high in the sierra mountains in california, at this moment is___.
great zimbabwe is unusual because it is made of which of the following materials?
Great Zimbabwe is unusual because it is made of materials such aslarge stone blocks, without the use of mortar or cement. The stones are carefully placed on top of each other, creating a strong and sturdy structure. These stone structures were built by the indigenous Shona people between the 11th and 15th centuries and were used as homes, trading centers, and religious sites.
The Great Zimbabwe ruins cover an area of over 700 hectares and include numerous structures such as walls, towers, and enclosures. These structures are evidence of the advanced architectural and engineering skills of the Shona people, who were able to create such impressive buildings without the use of modern technology. The ruins of Great Zimbabwe remain an important cultural and historical site, attracting visitors from all over the world.
Great Zimbabwe is unusual primarily due to its construction material, which is dry stone. This material involves the use of stones without any binding material such as mortar.
The technique of stacking stones in a precise and stable manner demonstrates the advanced masonry skills of the builders. Great Zimbabwe, a significant historical site, showcases the architectural prowess and rich cultural heritage of the region's inhabitants.
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in which of the following sites would the soil typically have the greatest organic matter content
Sites, where water flows over the soil surface, are restricted and where wetlands form typically has the greatest organic matter content.
At the intersection of the earth, air, water, and life are the dynamic and varied natural systems known as soils. They provide essential ecosystem services that are necessary for human survival. The presence of wetlands and restricted water flow over the soil surface are two conditions that favor the formation of organic deposits. The soil's topsoil is often the darkest layer. The most organic matter can be found in this layer. All of the plant and animal waste that lands on the ground or grows there eventually turns into humus. Additionally, the topsoil is where most biological activity occurs. Peat soil has a high level of organic matter and holds a lot of moisture.
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