Entry: Understanding Earths Water Sources

Why is water considered a precious resource on Earth?

• It is essential for all living organisms

• It is abundant and easily accessible

• It has no impact on the environment

• It is only used for recreational purposes

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What role do glaciers play in regulating global sea levels?

• A) They contribute to rising sea levels

• B) They have no impact on sea levels

• C) They help regulate sea levels by storing freshwater

• D) They cause sea levels to decrease

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Aquifers represent a small but significant portion of the Earth's total water resources, essential for supplying water to wells and ___

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How do lakes serve as important habitats for diverse species?

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What percentage of the Earth's freshwater supply does groundwater account for?

• 10%

• 22%

• 35%

• 50%

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What percentage of the Earth's surface is covered by oceans?

• 50%

• 71%

• 80%

• 90%

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