Chapter 14 Study Guide

Only a very small portion of Earth’s water is both liquid and

• fresh.

• salty.

• frozen.

• underground.

Drainage basins are sometimes called

• monsoons.

• runoffs.

• groundwaters.

• watersheds.

A hole dug into an aquifer to reach groundwater is called a

• watershed.

• well.

• drainage basin.

• spring.

From greatest to least, rank the primary uses of fresh water around the world.

• personal, industry, agriculture

• industry, agriculture, personal

• agriculture, industry, personal

• industry, personal, agriculture

In the United States, most of the fresh water we use—about 74 percent of it—comes from

• surface water sources.

• aquatic supplies.

• aquifers.

• the ocean.

Groundwater is primarily used for

• industrial uses.

• irrigation.

• personal uses.

• drinking water.

To conserve water, when is the best time to water a lawn or garden?

• early evening
• afternoon

• morning

• night

Human activities that clear large areas of land and increase erosion contribute directly to what type of pollution?

• biological

• groundwater

• sediment

• toxic chemical

The best way to reduce groundwater pollution is to

• increase the use of groundwater mining.

• prevent it from happening.

• build more desalination plants.

• speed up the eutrophication process.

Which of the following was not part of the Clean Water Act?

• set standards for pollution levels

• funded construction of sewage treatment plants

• limited the release of point-source pollution

• regulated the amount of fertilizers and pesticides that are contained in runoff