Which of Earth's layers is comprised mainly of extremely hot liquid metals? crust mantle outer core inner core

Answer:

A combination of natural forces and human actions

Explanation:

I took the test and got it right.

The desertification of the Sahel in Africa is mainly caused by human activities like overgrazing, deforestation and improper agricultural practices paired with climate factors like low rainfall.

The desertification of the Sahel in Africa is primarily a result of human activities coupled with climate-related factors. Factors such as overgrazing, deforestation, and improper agricultural practices have contributed to soil degradation, which accelerates desertification. Also, climatic conditions like low rainfall have exacerbated the situation. This desertification has serious implications on the ecosystem services and livelihoods of the local population.

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1739 by Jean Baptiste Charles Bouvet De Lozier was an uninhabited island located 1,404 miles away from the nearest human discovered.

Uninhabited island is the place where there is no living or the area which is not occupied by the people. The reason of the uninhabited island is maybe the financial, political, religious or environmental issues.

One of the largest inhabited islands is Devon Island, which is located in Canada. The reason for not being able to live in the uninhabited area may also be the natural resources. As there are no natural resources, it becomes difficult for the people to survive without them.

Thus, 1739 by Jean Baptiste Charles Bouvet De Lozier was an uninhabited island located 1,404 miles away

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Final answer:

The new moon is highest in the sky at solar noon, which is when the Sun is at its highest point in the sky for the day. This time varies slightly depending on your location's longitude and the equation of time but is generally around local noon. Note that because we use time zones, solar noon doesn't always align perfectly with 12:00 PM on the clock.

Explanation:

The phase of the new moon occurs when the Moon is located between Earth and the Sun, making it invisible from Earth due to the Sun's brightness overpowering the Moon's reflected light. During the new moon, since the Moon and the Sun are approximately in the same direction in the sky, the Moon will be highest when the Sun is at its highest, which is solar noon. The Sun's position in the sky at solar noon will be directly south in the Northern Hemisphere and directly north in the Southern Hemisphere. This alignment is also why we don't typically see the new moon; it is too close to the Sun's glare to be visible.

The Midwestern states include Illinois, Indiana, Ohio, and Michigan, linked to the Upper Midwest and the Great Lakes region, known for diverse political backgrounds and as key agricultural centers.

Select the Midwestern States

The Midwestern region of the United States comprises a group of states known for their role in agriculture and as a key component in the country's political landscape. This region includes a number of states with diverse political, economic, and social characteristics.

Based on the provided information, the Midwestern states can be somewhat linked to the Upper Midwest and the Great Lakes region. More specifically, these would include states such as Illinois, Indiana, Ohio, and Michigan. Moreover, the Midwest and Great Plains cover a large area known as America's breadbasket, which also encompasses states that are more to the West.

Selecting the Midwestern states, in this context, would include identifying states like Ohio, which is a classic example of an intra-state political battleground known as the Swing State. Other states in the Midwest that are central to America’s agricultural output and exhibit a mixture of political philosophies include Illinois, where Chicago serves as a dominant market town, and Indiana and Michigan, which have histories tied to the migration from other regions.

However, please note that the specific list of Midwestern states could be expanded depending on different geographical or political considerations. Some might consider states like Wisconsin, Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska, and Kansas as part of the Midwest, especially when focusing on the Great Plains region and agricultural output.

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Depending on the context, the student's question regarding Bogotá, Caracas, Buenos Aires, or Montevideo could pertain to historical events, a novel's setting, or trade agreements in South America. All four are capitals with distinct historical and geopolitical significance.

The student's question seems to be asking for a specific location related to a historical event, novel setting, or geopolitical association. We have context that could relate to multiple subjects such as the historical Venezuelan coup détat of 1958, the literary setting of the town of Macondo in Gabriel García Márquez's novel, or the modern trade relations within Mercosur. Depending on the missing part of the question, Bogotá, Caracas, Buenos Aires, and Montevideo are capital cities in South America with rich historical and political significance.

Bogotá is the capital of Colombia and has historical relevance such as being the site of the 'Bogotazo'. Caracas is the capital of Venezuela and has been central in the country's political history. Buenos Aires is the capital of Argentina and was the seat of the Viceroyalty of Río de la Plata; it's an important economic hub historically tied to trade. Montevideo is the capital of Uruguay and is noteworthy for its role in the independence movement of the country as well as being the headquarters for Mercosur.

Bioengineered foods or also referred to as genetically modified foods are foods produced using the methods of genetic engineering for DNA altering.

The following statement about bioengineered foods is false: They were developed during the Green Revolution.  Correct answer: C

The Green revolution was period characterized with increased productivity of global agriculture because of new technologies, but those new technologies did not include GMO.

The correct option is A (satelite imagery)

Satellite pictures are a standout amongst the most dominant and imperative apparatuses utilized by the meteorologist. They are basically the eyes in the sky. These pictures console forecasters to the conduct of the environment as they give a reasonable, compact, and precise portrayal of how occasions are unfurling.

Satellite symbolism (likewise Earth perception symbolism or spaceborne photography) are pictures of Earth or different planets gathered by imaging satellites worked by governments and organizations around the globe.

An updraft (also called updraufgt in UK) is an upward air or gas current.

This is due differences in temperature between two masses of air.

How does it work?

A good example is the surface air in the ground that is heated, making this air warmer than the air above. Now, warmer air is less dense, so it rises and is replaced by descending cooler air creating a heat transfer and differences in temperature.

Therefore the right answer is C.

The Mexican economy relies on several natural resources, including oil, silver, copper, gold, lead, zinc, natural gas, wood, agave, corn, and fish. Of these, oil is a particularly significant resource.

The primary natural resources on which the Mexican economy is based include oil, silver, copper, gold, lead, zinc, natural gas, and wood. Mexico is a leading producer of silver. Besides these, agave, from which tequila is derived, is also a vital resource in Mexico. Corn, or maize, is a staple crop in Mexico, forming a critical part of the country's food supply, while fishing also contributes to the Mexican economy.

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Final answer:

The water table in an unconfined aquifer is the boundary between unsaturated and saturated zones, influenced by porosity and permeability. Overdrawing water can lower the water table, affecting wells and ecosystems.

Explanation:

In an unconfined aquifer, the water table is the boundary between the unsaturated zone and the saturated zone. The water table can be envisioned as the surface where the soil and rock pores are completely filled with water.

The properties such as porosity and permeability of the materials surrounding the aquifer play significant roles in the availability and movement of groundwater. High porosity means more open space for water to reside in, while high permeability indicates how easily water can flow through the rock or soil.

Issues can arise when developments such as new housing are built and groundwater wells are drilled. Increased water withdrawal can lead to a lowering of the water table, which might cause a 'cone of depression' in the aquifer. This can affect nearby wells, reducing the water available for use and may also adversely impact the local ecosystems by lowering the water level in rivers.

Answer:

The answer is Minerals are the critical characteristic asset.  

Explanation:

In desert districts or dry terrains, it tends to be discovered rich mineral stores as consequence of high vanishing. At the point when there are lakes or water arrangements because of inevitable water affidavit, they prompt high think mineral wellsprings of minerals such as gypsum, boaters, and salts.  In mountain regions, there can be regularly discovered minerals, and mining is frequently present.

Final answer:

The layer of Earth's atmosphere that contains no water vapor, has an atmospheric pressure less than 0.1 atmosphere, and an air temperature that increases with altitude is the mesosphere. This layer is located above the stratosphere and extends from about 50 kilometers (km) to roughly 85 kilometers above the Earth's surface.

Explanation:

The mesosphere is the third layer of the Earth's atmosphere, situated above the stratosphere and below the thermosphere. It extends from the stratopause at approximately 50 km to about 85 km above the Earth's surface. One of the unique characteristics of the mesosphere is the absence of water vapor, contributing to its extremely low temperatures, which can drop to around -90°C. Unlike the lower atmospheric layers, the mesosphere experiences a decrease in temperature with increasing altitude. However, in terms of its relationship with pressure and temperature, it differs from the stratosphere, where temperature increases with altitude, primarily due to the absorption of ultraviolet radiation by the ozone layer. The air pressure in the mesosphere is exceedingly low, less than 0.1 atmospheres, and the air is too thin to breathe without pressurization and supplemental oxygen. This region of the atmosphere is also where meteors burn up upon entering the Earth's atmosphere due to the increase in temperature with altitude and friction.

I think the answer would most likely be the West region because in my research description I have found that the west is so politically diverse and a very large region.

Hope my answer is correct and helps! :O

Subduction derived magma beneath a thick continental crust leads to partial melting, contributing to the creation of magmas that ascend and cause volcanism. This process forms volcanic arcs and can lead to the uplift and creation of mountain ranges, with the potential exposure of ophiolites. The continental crust, being thick and less dense, undergoes deformation, thickening, and uplift rather than subduction.

When subduction derived magma encounters thick continental crust, several geological processes take place. First, the oceanic plate, being denser, subducts beneath the continental plate at a subduction zone, where it is subjected to high pressures and temperatures. This leads to the melting of the subducted plate several hundred kilometers below the surface.

Subsequently, as the subducted oceanic crust partially melts, it can contribute to the creation of magmas that are less mafic than the original basaltic composition. If this magma ascends into the thick continental crust, it may cause volcanism and the formation of volcanic arcs parallel to the subduction zone. These arcs are often comprised of volcanoes that feature a range of eruptive styles and compositions, from mafic to felsic.

Continental crust primarily composed of granite is less dense and thicker compared to oceanic crust, which is predominantly basaltic. As such, rather than being subducted, continental crust deforms, thickens, and often results in the uplift and creation of mountain ranges. The collision of continental crust also leads to the exposure of ophiolites, sequences of oceanic crust that are thrust onto the continental margins during subduction.

Continent-continent collisions and the resulting mountain building processes can also expose deep-seated rocks through uplift and erosion, creating complex geologic structures that include a combination of igneous, metamorphic, and sedimentary rocks.