The four spheres that make up the planet are biosphere, atmosphere, Hydrosphere and lithosphere.
Biosphere: The biosphere consists of the part of the Earth that has life, i.e. all ecosystems. The biosphere extends from the deepest root systems of trees, through the dark environments of ocean trenches, to lush rainforests, towering mountain peaks, and transition zones like this where marine and terrestrial ecosystems meet.
Atmosphere: The atmosphere is the layer of gas that surrounds the planet and is held in place by the planet's gravity. A planet retains an atmosphere when gravity is high and the temperature of the atmosphere is low. A star's atmosphere is the outer region of the star and consists of the upper layers of the opaque photosphere. Cold stars can have outer atmospheres containing complex molecules.
Hydrosphere: The hydrosphere is the total amount of water on the planet. The hydrosphere includes water found on the planet's surface, underground, and in the air. A planet's hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes, and rivers.
Lithosphere: The lithosphere is the outer solid of the Earth. The lithosphere consists of the fragile upper mantle and crust, the outermost layer of the Earth's structure. It is surrounded by an atmosphere above and an asthenosphere below (another part of the upper mantle).
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What do we call the top half section of the mantle?
The top half section of the mantle is called the asthenosphere.
Why is the mantle so important?The mantle is important because it is the layer of the Earth located between the crust and the core, and it is believed to be the source of the Earth's heat and magnetism. It is also the layer in which plate tectonics and other geological activity takes place. It contains a significant amount of rock, minerals, and other materials which are essential for the Earth's structure, composition, and evolution.
Why is the asthenosphere important?The asthenosphere is important because it is the layer of the Earth's mantle that is most responsible for plate tectonics. It is a relatively weak layer that is plastic and allows the lithospheric plates to move and interact. It is also important because it is the source of much of the Earth's volcanic activity and helps to drive convection currents in the mantle that are responsible for the movement of heat and materials within the Earth.
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american sign language varieties have increased in the african american deaf population due to: group of answer choices convergence and identity variety and cartography geography and physical isolation
American sign language varieties have increased in the African American deaf population due to convergence and identity.
What is Cartography?Making and utilizing maps is the study and practice of cartography. Cartography, which combines science, aesthetics, and method, is based on the idea that reality can be described in ways that effectively convey spatial information.
Americans who are Deaf speak a different language, quite literally. Their language, American Sign Language (ASL), not only allows them to communicate with other Deaf people, but also gives them access to a linguistic subculture that not everyone has the opportunity to experience.
The use of additional facial emotions and personality are some of the main features of Black ASL. Many Black ASL signers claim that in comparison to ASL, signing allows them to express more of their "attitude" and "persona." You'll see that Black ASL also makes advantage of additional signing space.
Therefore, Option (a) is correct.
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what is the thickest layer of the earth, made up of molten rock?
The thickest layer of the Earth is the Earth's mantle, which is made up of molten rock.
The mantle is the layer that lies between the crust and the outer core of the planet. It is approximately 2900 km thick and makes up 84% of the Earth's total volume.
The mantle is composed mostly of iron, magnesium, and silicon-based minerals, which are held together by the intense pressure and heat of the Earth's interior. The mantle is also the source of much of the Earth's volcanic activity, as it contains pockets of molten rock that are released as magma through volcanoes.
The mantle also plays a role in the movement of the Earth's tectonic plates, which are constantly shifting and sliding against each other.
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Which of these best explains one of the reasons why Africa is home to a wide variety of plant and animal species? A. Africa’s human population lives in cities with limited interaction with nature.b. African governments import exotic animals from other countries. C. The African continent lies within the tropical zones. D. The African continent rarely experiences prolonged droughts.
The one reasons why Africa is home to a wide variety of plant and animal species is because the continent lies within the tropical zones. The Option C is correct.
Why are tropical zones favorable to most plant and animal species?A rainforest is characterized by tall, mostly evergreen trees and abundant rainfall. Rainforests are the Earth's oldest living ecosystems, with some having existed for at least 70 million years.
Because tropical rainforests are so warm and moist, they generate up to 75% of their own rain through evaporation and transpiration. Such abundant sunlight and moisture are essential building blocks for the diverse flora and fauna of tropical rainforests. Approximately half of the world's species can be found here, with 40 to 100 or more different tree species present in each hectare.
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how does a phenomena become a disaster
Answer:
by people ignoring it until the last min
Explanation:
if you hiked from the floor of death valley to the top of an adjacent peak, you would climb two miles vertically, an amazing distance. what geologic process or process produced this elevation difference between valley floor and peaks?
When we hike from the floor of Death Valley to the top of the adjacent peak, the geological process which produced this elimination difference between valley floor and peaks is Folding and Faulting.
Folds are the bend in the rocks which occurs due to compressional forces of the nature and leads to development of fold mountains. Whereas faults are formed due to the tensional forces of the nature leading to the formation of block mountains or valleys.
In case of the Death Valley, probably the lake sediments were deposited and faulting lead to the formation of the Death Valley type fault. On the other hand some sediments got folded due to the process of folding and the adjacent peak was formed.
But due to the denudational process the peaks have been eroded and hence the vertical distance from the valley to the peak is only two miles. The eroded materials are then deposited on the valley floor.
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All of the planets in our solar system are warming up, so why is global warming such a big issue here on Earth?
The premise of this argument is that the Sun must be responsible for solar system-wide and Global warming.
First off, it is incorrect to say that the entire solar system is warming. Out of the more than 100 bodies in the solar system, 6 planets or moons have been shown to be warming.
The idea that the sun is getting brighter because of global warming is disproved by the fact that there has been little to no change in the sun's brightness since the 1950s.
Satellite data, UV levels, and solar magnetograms are just a few of the independent measurements of solar activity that all show similar results.
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what are the two primary types of waves generated by earthquakes?
continental crust a. is thinnest beneath zones of stretching, called rifts. b. is denser than oceanic crust. c. is thinner than oceanic crust. d. is more mafic than oceanic crust.
The correct answer is option a. is thinnest beneath zones of stretching, called rifts.
Continental crust is the outermost layer of the Earth's crust and is made of low-density, relatively thick and granitic rocks. It is thinnest beneath zones of stretching, called rifts, where the lithosphere is being pulled apart.
Continental crust is denser than oceanic crust, which is composed of high-density, relatively thin and basaltic rocks. Oceanic crust is much thinner than continental crust, and is composed of more mafic rocks than continental crust, which is composed of more felsic rocks.
The composition of continental crust varies depending on the tectonic setting and the age of the crust, but on average, continental crust is about 40 km thick.
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question 9 the hornfels facies is a metamorphic realm of a. high temperature and pressure. b. high pressure but low temperature. c. high temperature but low pressure. d. low temperature and pressure.
The hornfels facies is a metamorphic realm of high temperature but low pressure (C)
A hornfels is a rock that has been changed by heat. This means that the textures of hornfelses are the result of crystallization, or recrystallization, which happens at high temperatures and low to moderate pressures when there is no directed pressure. The aureole of granitic intrusions in the upper or intermediate crust is the most prevalent location for the formation of hornfels. Minerals that are rare and unique can be produced when hornfels undergo contact metamorphism as a result of volcanic activity that occurs extremely near to the earth's surface.
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Our galaxy, the ______________, contains more than 200 billion stars. answer ASAP<3
Answer: The Milky Way Galaxy.
Earth’s inner core may have stopped turning and could go into reverse, study suggests?
Earth's inner core may have stopped turning and could go into reverse, study suggests. The rotation of Earth's inner core may have paused and it could even go into reverse, new research suggests.
ABOUT EARTH LAYERThe Earth is formed of the crust, the mantle and the inner and outer cores
Earth is a planet in the solar system which is part of the Milky Way galaxy. Earth's Chemical Structure is the third planet of the planetary system in this solar system. Earth has a multi-layered structure up to the Earth's core (core). With an earth diameter of 7,926 miles. The earth has at least 4 layers of earth that make up the earth that we currently live on.
This planet earth has 4 types of layers:
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The Sahel, once home to many grazing animals, is quickly becoming part of the Sahara Desert for
all of the following reasons EXCEPT—
answer choices
over-grazing
air pollution
over-crowding
poor land management
Option b, Overgrazing, poor land management, and overcrowding are just some of the factors contributing to the increasing desertification of the Sahel region, the region between the Sahara and the savannah of Africa.
Land collapse and lack of vegetation have depended this area from a field into a desert.
Nevertheless, air pollution plays a minor role in desertification in the Sahel, as it is not a major and pressing concern in the region compared to other natural problems.
Maintaining the delicate balance of the Sahel's natural framework remains a challenge, and addressing the underlying causes of desertification is critical to prevent further loss of the Sahel's indigenous biological systems.
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Why are the axes of rotation of the planets not found to align perpendicular to the ecliptic?
The axes of rotation of the planets not found to align perpendicular to the ecliptic because the apparent location of the Sun takes a year to accomplish a full round of the ecliptic because Earth takes a year to orbit the Sun.
The ecliptic plane is coplanar with Earth's equatorial plane, but they are inclined to one another by an angle of around 23.4° because Earth's rotating axis is not perpendicular to its orbital plane. This angle is referred to as the ecliptic's obliquity. When the equator is pushed outward to the celestial sphere, it crosses the ecliptic at two places known as the equinoxes.
The Sun crosses the celestial equator at these locations in its apparent travel along the ecliptic, one from south to north and the other from north to south. The vernal equinox, also known as the first point of Aries and the ascending node of the ecliptic on the celestial equator, marks the passage from south to north.
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consider the modern red sea, atlantic ocean, and african rift valleys. in which order, beginning with the earliest stage and ending with the most advanced, do they illustrate the evolutionary process of a divergent plate boundary?
African rift valleys, Red Sea, Atlantic Ocean they illustrate the evolutionary process of a divergent plate boundary .
In a continental rift, magma rises beneath the continents, causing them to thin, crumble, and eventually break apart. New ocean crust erupts in the voids, eventually creating oceans between continents. The Atlantic is now in its final stages as the rift separates her two oceanic crusts.
Early in rift formation, streams and rivers may flow into low valleys, forming long, narrow lakes. Eventually, the expanding crust along the boundary may thin enough that parts of the continents may separate and form new tectonic plates. Rifting is defined as the splitting of a single tectonic plate into two or more tectonic plates separated by diverging plate boundaries. Continental tectonic plate rifts create regular fault valleys, small sloping boulders, and volcanic activity .
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true or false: gps measurements of surface deformation can help us estimate the potential magnitude of the next earthquake to occur on a particular fault.
The given statement "gps measurements of surface deformation can help us estimate the potential magnitude of the next earthquake to occur on a particular fault" is true.
GPS measurements of surface deformation can help us estimate the potential magnitude of the next earthquake to occur on a particular fault.
By measuring the amount of displacement that has occurred on the fault, scientists can estimate the amount of energy that has built up on the fault, and therefore the potential magnitude of the next earthquake that could occur.
GPS measurements can also be used to determine the location of the fault and the direction of displacement, which can help scientists to better understand the seismic activity of a particular fault and the behavior of earthquakes in the area.
This can help inform the development of earthquake prediction models and help researchers prepare for future earthquakes.
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herders who seasonally move their animals between mountain pastures and lowland valleys practice.
a. transhumance
b. seasonal variation.
c. swidden agriculture
d. livestock ranching
e. extensive subsistence agriculture
A. Transhumance - Transhumance is the seasonal movement of people with their livestock between mountain pastures and lowland valleys.
What is the difference between the terms 'transhumance' and 'nomadism'?Transhumance is the seasonal movement of people with their livestock between mountain pastures and lowland valleys, while nomadism is a lifestyle of continuous movement from one place to another in search of resources or grazing land. Nomadism is not necessarily seasonal and can occur throughout the year, while transhumance is generally seasonal and is used as a way for herders to maximize the resources of their land.
Why is transhumance beneficial for herders?Transhumance is beneficial for herders as it allows them to maximize the resources of their land. By moving their animals to higher elevation mountain pastures during the summer and lower elevation valleys during the winter, herders are able to utilize the resources of both regions. The high elevation pastures are rich in grass and other edible vegetation for the animals, while the lower elevation valleys provide shelter from the cold winter months and access to water sources. By utilizing both regions, herders can increase the productivity of their animals and increase their overall profits.
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yolanda is speaking about the effects of climate change and decided to provide a description of what the world will look like in 2050. what type of support material is yolanda using?
The supporting material that can be used by Yolanda is a hypothesis. This is because the material used by Yolanda is presumptive or temporary.
Definition of HypothesisThe etymological hypothesis comes from the Greek, namely Hypo which means weak and Thesis which means theory. So the meaning of the hypothesis is a statement that is still weak in nature because it still needs to be proven. The hypothesis can also be regarded as a temporary guess in a study.
The hypothesis serves as a temporary answer or conclusion to a problem. Directing researchers in finding and collecting data. Clarify a situation that was still vague. Helps predict things that might happen.
The hypothesis has the following characteristics. It needs to be tested for truth, must state a relationship, must be testable, the shape is simple, and based on facts.
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In 1915, German scientist Alfred Wegener proposed the theory of continental drift. Wegener found that continents were slowly drifting around the surface of Earth. Later scientists were able to explain the processes that drive continental drift by looking at the phenomenon of — a. The origin of life b. Global Warming c. Radiocarbon Dating d. Seafloor Spreading
C) The radioactive decay of materials in the core and mantle, which generates heat, is thought to be the principal driver of the movement of earth's lithosphere known as continental drift.
What is the continental drift hypothesis?One of the first arguments put up by geologists regarding how continents might migrate over time is called continental drift. The science of plate tectonics has now supplanted the concept of continental drift.
What is the continental drift theory proposed by Alfred Wegener?The idea of continental drift and Alfred Wegener. Wegener, a German meteorologist, openly stated in 1912 that the architecture of the Atlantic coastlines was identical.
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the Sahel, once home to many grazing animals, is quickly becoming part of the Sahara Desert for all of the following reasons EXCEPT
a. over-crowding
b. overgrazing of farm animals
c. drought
d. trade routes
The Sahel, once home to many grazing animals, is quickly becoming part of the Sahara Desert for all of the following reasons EXCEPT a. over-crowding.
What is Sahara Desert?A desert just on continent of Africa is called the Sahara. It is the largest hot desert in the world as well as the third-largest desert overall with an area of 9,200,000 square kilometers, second only to the deserts of Antarctica and the northern Arctic in size. With the exception of the lush Mediterranean Sea coast, the Summit Mountains of the Maghreb, as well as the Nile Valley in Egypt and Sudan, the majority of North Africa is covered in desert. From the Red Sea in the east, the Mediterranean in the north, and the Atlantic Ocean in the west, the region progressively transitions from desert to coastal lowlands. Its southern border is formed by the Sahel, a band of tropical savanna that is semi-arid and surrounds the valley of the Niger River.
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According to the big bang theory, which element most likely formed first?
approximately where is it currently high tide on earth?
Answer:
at the eastern part of the earth
The south celestial pole and the north celestial pole lie in the sky directly above what?
The area of space just above the southern axis of the Earth is known as the south celestial pole. It is the location where the entire southern sky seems to revolve. Above Earth's north and south poles are the north and south celestial poles.
The south celestial pole is what?
The region of space right above Earth's southern hemisphere is known as the south celestial pole. It is the location where the entire southern sky seems to revolve. Your latitude controls how high the southernmost heavenly pole appears in the sky.
How function the celestial poles?
For observers at the North and South poles of the Earth, respectively, the north and south astronomical poles appear to be perpetually directly overhead. The two celestial poles maintain their existence as the Earth revolves around its axis.
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The major evolutionary episode corresponding most closely in time with the formation of Pangaea was the Pleistocene ice ages. Cambrian explosion Cretaceous extinctions. Permian extinctions
False. The major evolutionary episode corresponding most closely in time with the formation of Pangaea was the Permian extinction, which occurred around 250 million years ago.
The Pleistocene ice ages occurred much later, around 2.6 million to 11,700 years ago. The Cambrian explosion, which marked a major diversification of life on Earth, occurred around 541 million years ago, while the Cretaceous extinctions, which wiped out the dinosaurs, took place around 66 million years ago.
The major evolutionary episode that corresponds closely in time with the formation of Pangaea was the Permian extinction, which occurred about 252 million years ago and led to the extinction of more than 90% of marine species and 70% of terrestrial vertebrate species.
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which fact is true of california’s inyo national forest?
The truth about California's Inyo National Forest is that it is among the most popular wilderness areas in the country.
What is the Inyo National Forest?The 165-mile Inyo National Forest is located close to the boundary between California and Nevada. It is largely just on eastern side of the Sierras and covers around 2 million acres. Nine Congressionally declared Wilderness Areas total almost a million acres.
What is Inyo renowned for?Beyond this, experts concur that Inyo County offers superb trout fishing, Sierra Nevada trekking, and stunning views. Inyo County also has the best mountain biking, hanging glider, horse packing, and spring backcountry skiing anywhere in the world.
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What type of system is governed as a single power in which the central government is ultimately supreme and
any administrative divisions (sub-national units) exercise only the powers that the central government chooses
to delegate?
OCTIT
O a
b
Oc
Od
Next Bes
Confederate
Military
Unitary
Federal
Strong
Central Authority
The type of governance which is governed as a single power in which the central government is ultimately supreme and any administrative divisions (sub-national units) exercise only the powers that the central government chooses to delegate is unitary.
What is a unitary government?A unitary government is a system of government or political set up whereby generally, or virtuall the entire activities or processes of the governing power resides in a centralized government, as opposed to a federal government. In other words, a unitary government is a system of government whereby power is concentrated at the centre.
Therefore, the correct answer is as given above
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the general pattern of winds around a high pressure area is clockwise, outward. the general pattern of winds around a low pressure area is counterclockwise, inward. based on the information provided, which city shown will most likely have winds from the south?
The general pattern of winds around a high pressure area is clockwise, outward. the general pattern of winds around a low pressure area is counterclockwise, inward. based on the information provided, In Rockford will most likely have winds from the south.
ABOUT WIND DIRECTIONWind direction is reported by the direction of origin. For example, northerly winds blow from north to south. Wind direction is usually reported in cardinal directions or in degrees azimuth.
Wind direction is measured in degrees clockwise from north. As a result, winds blowing from the north are 0° (360°); winds blowing from the east have a wind direction of 90°; the wind blowing from the south has a wind direction of 180°; and the wind blowing from the west has a wind direction of 270°. In general, wind direction is measured in units from 0° to 360°, but can also be expressed from -180° to 180°.
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glacial loess from the last ice age would best be found where? select the location of glacial loess deposits discussed in the faculty presentation.
Glacial loess from the last ice age would best be found in Palouse county of eastern Washington, Loess Plateau in China, and the Midwest of the US.
Loess is created mostly by wind, but it can also be formed by glaciers. Loess can form when glaciers grind rocks to a fine powder (dust). Streams can carry the powder to the end of the glacier and the sediment becomes loess.
The Palouse county, the Loess Plateau in China, and the Midwest of the USA are locations where dust was deposited that originated in glacial terrains, and the dust was blown to nearby spots where it accumulated.
The question is a multiple choice question and the multiple choices are most probably these:
A) Palouse county of eastern Washington
B) Loess Plateau in China
C) Midwest of the United States
D) All of these are correct
In that case, the correct option is option D.
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which of the six numbered features represents emission lines?
While an absorption line spectrum has dark lines on a rainbow background, an emission line spectrum has bright lines on a dark background. The emission lines are shown as 1.
What distinguishes the absorption line spectrum from the emission line spectrum?Let's say you use a prism or wavelength range to view the visible light spectrum. While an operation or process spectrum has dark lines on a rainbows background, an emission line spectrum shows bright lines on something like a dark background.
The dark lines stand for what?Atoms located close to the Outer solar system absorb radiation from the Sun's hotter plasma at wavelengths of light that are illustrated by the black lines. This image displays the idealized infrared photons spectra of something like a person and numerous stars.
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For the ideal gas law, does the temp have to be in Kelvin or Celcius
Answer:
Kelvin
Explanation:
Because temperature is always the denominator in computed gas laws, the Kelvin scale is involved.
Hope it helps!