Unit 3 Earth's Hydrosphere | Test Review

Which describes the hydrosphere?

• all of Earth’s organisms and the environments in which they live
• a layer of Earth’s atmosphere made up primarily of concentrated ozone
• all of the water in Earth’s oceans, lakes, seas, rivers, and glaciers, plus the water in the atmosphere

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The water cycle describes the movement of the water of Earth. About 97% of the water of Earth is the salt water found in the oceans while the remaining 3% is fresh water. Where would the majority of the freshwater on Earth be found?

• groundwater and aquifers
• swamps and wetlands
• ice caps and glaciers
• lakes and rivers

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NGSS.MS-ESS2-4

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Which is true about most of the freshwater on Earth?

• It is abundant.
• It is inaccessible.
• It is underground.
• It is in the atmosphere.

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What percentage of earths water is salt

• 3%
• 97%
• 70%
• 100%

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How is the size of Charlotte's population related to the availability of water in the area?

• As the population increases, water availability increases.
• As the population increases, water availability decreases.
• As the population decreases, water availability decreases.

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Which best describes the importance of an aquifer?

• It holds uncontaminated ground water for human consumption.
• It supplies all water for lakes and rivers.
• It provides water for oceans.

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Which is an area of land that all drains to one place?

• river
• aquifer
• reservoir
• watershed/river basin

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Estuaries are important because they:

• provide shelter for young organisms
• have LOTS of nutrients
• filter out pollution from the ocean
• all of the above

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wind-driven process in which nutrient-rich, denser, colder water moves to the surface

• upwelling
• downwelling
• phytoplankton
• hydrothermal vents

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a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots

• hydrothermal vents
• estuary
• open ocean
• photic zone

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