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About 3% of the water on Earth is freshwater. Only about 40% of that freshwater is available for human use. Why is so much freshwater unavailable for human use?

A) It is frozen.
B) It is polluted.
Eliminate
C) It is salt water.
D) It is in aquifers.

User Vishal R
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2 Answers

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The answer is B: Polluted
User Terry Lennox
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A) it is frozen i think
User Jakobandersen
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