Exercise
Earth's Water Distribution & Freshwater Availability
Discover how water is distributed across Earth and examine the proportion that is accessible as fresh water.
Questions
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MultiChoice
What percentage of Earth's total water supply is salt water found in oceans and seas?
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MultiChoice
About what percentage of Earth's water is classified as fresh water?
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MultiChoice
Where is the majority of Earth's fresh water trapped?
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MultiChoice
Which source contains the second largest percentage of Earth's fresh water?
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MultiChoice
Why is less than 1% of Earth's total fresh water readily accessible for human use?
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MultiChoice
Which body of water contains the largest volume of liquid surface fresh water on Earth?
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MultiChoice
What term describes water that is safe for humans to drink?
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MultiChoice
Why is sea water unusable for drinking or crop irrigation without desalination?
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MultiChoice
Which process removes salt and minerals from ocean water to produce fresh water?
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MultiChoice
Where is fresh water stored for the shortest average amount of time?
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MultiChoice
What proportion of liquid surface fresh water is stored in rivers?
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MultiChoice
Which statement best describes the overall distribution of fresh water on Earth?