__________% of total global water is saline and available in oceans ?
Correct answer: D. 97.5%
- A. 95%
- B. 96%
- C. 97%
- D. 97.5%
Explanation
About 97.5% of the Earth’s water is saline, mostly contained in oceans, while only about 2.5% is freshwater. This is why the standard hydrological estimate is 97.5%, rather than 95% or 96%.
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