Water scarcity and the need for water management

Multiple Choice

What percent of water on earth is FRESH WATER?

• 2.5%

• 97.5%

• 25.75%

• 80%

Fill in the Blanks

A lack of water in an area is called

.

Multiple Choice

Most of Earths fresh water (~70%) is used for _____?

• Domestic purposes

• Industries

• Agriculture

Fill in the Blanks

 The process of suppling fresh water to farm fields for growing crops.

Multiple Select

Why is runoff in an agricultural or an urban area pose a threat to our water quality? (Select all that apply)

• Insecticide used on crops may wash into our water supply

• The runoff from urban areas can contribute to acid rain

• The use of water on crops will make our water supply become saline

• Eutrophication may lead to algae blooms in our water supply