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2.4.1. Distribution of water on earth
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Practice test
8 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
2 cards from this lesson. Good the night before a test.
Try these first
- 1.
What percentage of Earth's water is saltwater?
Hint
Think about what we drink.
- 2.
Name one form of freshwater.
Hint
Consider what we use for irrigation.
- 3.
What percentage of Earth's water is freshwater?
- 1%
- 3%
- 5%
Hint
Remember the balance between saltwater and freshwater.
- 4.
True or False: Groundwater is less abundant than surface water.
- True
- False
Hint
Think about where most of our drinking water comes from.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
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Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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