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Green Plumbing

Category - Caring for Our Water

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What percentage of Earth’s total water amount is saline?

More than 97%
About 80%
About 67%
Less than 52%

Explanation

Answer: A - About 97.5% of Earth’s total water amount is saline. The oceans, seas and bays account for all of this saline water. Its primary use is for navigation and ocean fish and shellfish growth and harvest.

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