Water Pollution

How much of water on Earth is FRESH SURFACE water?

• 0.3%

• 3%

• 97%

• 30%

Canada's lakes have _____ % of the world's surface freshwater

• 20

• 60

• 100

• 0.03

Where is the majority (>60%) of the world's surface freshwater?

• Canada

• Near unpopulated areas

• In large cities

• On islands

How many gallons of water are used from Lake Michigan EACH DAY?

• 100

• 1 billion

• 3 million

• 1 million

What is virtual water?

• Water on a computer screen

• Water that is salty

• Amount of water to create a product

• Water that is frozen

Which of the following is NOT a major use of freshwater?

• Residential

• Agricultural

• Industrial

• Clouds

Which of the following affects how freshwater is used?

• Age

• Population size

• Education

• GPA

What does "potable" mean?

• Safe to drink

• Frozen

• Liquid water

• Dirty water

Which of the following is an unsafe material that can be found in drinking water?

• Fish

• Pathogens

• Minerals

• None of these

In a residence, how is most (26%) of the water used?

• Toilet

• Bath/shower

• Faucet

• Dishwasher