The Basics of Freshwater Crash Course Kids 14.1

What is the main substance that living things need to survive?

• Food

• Air

• Water

• Sunlight

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Where is most of the water on Earth found?

• Lakes

• Rivers

• Ponds

• Oceans

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What percentage of the Earth's water supply is freshwater?

• 1%

• 3%

• 5%

• 10%

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What is the salt content in freshwater?

• 0.1%

• 1%

• 5%

• 10%

Where can freshwater be found?

• Lakes

• Deserts

• Mountains

• Oceans

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Which of the following is a major source of freshwater in North America?

• Mississippi River

• Great Lakes

• Colorado River

• Lake Superior

What percentage of Earth's available freshwater is in the Great Lakes?

• 5%

• 10%

• 15%

• 20%

Where are most freshwater sources found on every continent?

• Mountains

• Deserts

• Rivers

• Oceans

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What do humans and many other animals need freshwater for?

• To grow crops

• To survive

• To build homes

• To make electricity

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What do people have to do if they don't live near a source of freshwater?

• Adapt their environment

• Move to a new place

• Build a dam

• Dig a well

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