Groundwater Answers

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Why has groundwater use increased?

the total amount of freshwater has decreased

more of the available freshwater is stored in glaciers and icecaps

governments have banned the use of freshwater in rivers and springs

the demand for freshwater has increased due to population growth

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Which of the following can lead to groundwater shortages?

pollution

use exceeding the rate of replenishment

lack of precipitation

all of the above

Which of the following is a way that groundwater depletion affects streams?

lower water level

loss of vegetation

wildlife disruption

all of the above

How does groundwater become polluted?

Pollutants mixed with water pass through permeable layers above the aquifer.

Factories dump their waste directly into aquifers.

Refuse infiltrates the water table when garbage is dumped.

All of the above

Why is groundwater an important source of freshwater storage?

It constitutes approximately 30% of Earth’s freshwater.

It is the only viable source of freshwater in some areas.

It is available in conditions of drought.

All of the above

How is groundwater replenished?

precipitation

streams

rivers

all of the above

What happens if the use of groundwater exceeds the rate of replenishment?

the depth of the water table increases

the water table is more likely to be polluted

the depth of the water table decreases

the water table remains unchanged

Over half of the people in the United States rely on groundwater for drinking water.

The location of the water table is subject to change.

Groundwater is only found below the water table.

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