C15.1: Introduction to Water and the Hydrologic Cycle MC

The majority of freshwater in the world is present as (a)  

• ice and glaciers.
• groundwater.
• rivers and lakes.
• aquifers.

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EN.ESS3.2

By the year 2025, it is projected that ​ ​ (a)   of the world's population will live in water-stressed areas.

• 66% (two-thirds)
• 25% (one-fourth)
• 33% (one-third)
• 90% (nine-tenths)

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EN.ESS3.2

Water enters the atmosphere because of

• plants releasing water from their surfaces.

• evaporation from lakes, rivers, and oceans.

• evaporation from the soil surface.

• All of the statements are correct.

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Which of the follow pairs of terms are related to one another?

• groundwater and evaporation

• groundwater and aquifer

• confined aquifer and water table

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Groundwater

• is in porous rock and does not flow.

• can only reach the surface if it is pumped.

• accumulates from water that falls on the land’s surface.

• has no contaminants.

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All of the following processes are part of the hydrologic cycle EXCEPT:

• evapotranspiration.

• flow of water to the oceans.

• precipitation

• saltwater intrusion.

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The upper surface of an unconfined aquifer is is called a(n) ​ (a)  

• water table.
• aquifer.
• aquiclude.
• unconfined aquifer.

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The porous layer where water accumulates in the ground is called a(n) ​ (a)  

• aquifer.
• aquitard.
• water table.
• aquiclude.

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The energy needed to drive the hydrologic cycle is provided by the sun.

• True

• False

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Water that infiltrates the soil and is stored underground is called runoff.

• True

• False

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