Ch 11 Water Resources HW #2

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

• residential, industry, agriculture

• industry, agriculture, residential

• agriculture, industry, residential

• industry, residential, agriculture

What is most of the freshwater in the United States used for?

• drinking 
• washing cars
• farming
• industry

Most of the fresh water in the world is used for 

• drinking
• farming
• industry
• washing cars

The watershed we live in is called the _______________ watershed

• Ogalalla

• Colorado

• Missouri

• Mississippi

Potable water is

• unsafe to drink
• safe to drink

Desalination is

• removing salt from water
• removing oil from water
• removing toxic chemicals from water
• adding salt to water

What is one way you can conserve water?

• take shorter showers

• drink a lot of water

• water your lawn daily

• keep your faucet running

The largest percentage of indoor household water use in the United States is.

• bathing and showering

• toilet flushing

• laundry

• washing dishes

Agriculture uses a lot of fresh water, which method listed would be the best way to help conserve fresh water?

• center pivot irrigation

• surface irrigation

• sprinkler irrigation

• drip irrigation

What is the first step in a typical drinking-water treatment process?

• chlorination

• filtration

• aeration

• settling