EVS Ch 14 Review

What percent of Earth's water is both fresh and liquid?

• less than 1%

• 2.5%

• 21%

• 75%

Another term for drainage basin

• monsoon

• runoff

• aquifers

• watersheds

A hole dug into an aquifer in order to reach groundwater

• watershed

• aquifer

• well

• spring

List the uses of fresh water from greatest to least

• personal - industry - agriculture

• agriculture - industry - personal

• industry - agriculture - personal

• industry - personal - agriculture

Most fresh water used in the US is from

• surface water

• aquifers

• the ocean

• wells

Most groundwater is used for

• industry

• irrigation

• personal uses

• drinking water

When is the best time to water a lawn or garden?

• early evening

• afternoon

• morning

• night

Clearing land increases erosion and contributes to

• biological pollution

• groundwater pollution

• sediment pollution

• toxic chemical pollution

Which of these is a good way to reduce groundwater pollution?

• increase groundwater mining

• build more desalination plants

• prevent pollution

• speed up eutrophication

The Clean Water Act did NOT

• set standards for pollution levels

• fund construction of sewage treatment plants

• limit release of point-source pollution

• regulate the amount of fertilizers in runoff