Answer:
Earth science is a term that describes everything related to Earth. Earth science has four sections of study: lithosphere, hydrosphere, atmosphere, and biosphere. Every single of these sections has its area of study.
Explanation:
People who study and compare geology of other planets with the earth are called planetary geologists.
The lithosphere is a solid part of the earth located on the extern site.
The hydrosphere is the mass of water located on the planet.
The atmosphere is a mix of gases that are surrounding the planet.
The biosphere is living part of the planet.
Answer:
The United States has a good amount of freshwater supply over most of the territory, because the American territory is ripe with lakes, rivers, streams, and groundwater.
The quality of these water sources varies from area to area, and many water bodies have been deeply polluted by human activity. However, the United States is a developed country with generally good water treatment facilities.
Notwithstanding, the United States faces two important challenges: one is the growing population of the country, which will put more pressure on freshwater sources in the future. The other one is that a few areas of the country are devoid of water supply sources, and they are among the fastest growing regions of the U.S (Nevada, Arizona, New Mexico). This poises a great challenge for U.S. authorities in the near future.
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The garbage patchs are a site with high concentrations of trash. They are formed by the ocean gyre, where the ocean have convergences zones forming a circle of currents. When the garbage join the circle, it can't go out, cause the currents make a kind of a permanent "wall".
We can locate garbages patchs in the South Atlantic Gyre, Indian Ocean Gyre and the South Pacific Gyre.
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