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Questions and Answers
Which of the following is the main reason why only a limited amount of the Earth's water is available for human use?
Which of the following is the main reason why only a limited amount of the Earth's water is available for human use?
- The Earth's water is contaminated
- The Earth's water is rapidly evaporating
- The Earth's water is frozen in glaciers and ice caps (correct)
- The Earth's water is located deep underground
What percentage of the Earth's water is available for human use?
What percentage of the Earth's water is available for human use?
- 50%
- 10% (correct)
- 25%
- 75%
What happens to the Earth's water that is not available for human use?
What happens to the Earth's water that is not available for human use?
- It is used by plants and animals (correct)
- It is stored in underground reservoirs
- It is lost in space
- It is converted into energy
