Multiple choice

How much of the water on earth is available to drink?

  1. 95 %

  2. 26 %

  3. 1%

  4. 10%
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

While water covers about 71% of the Earth's surface, about 97% of it is salty ocean water. Of the remaining 3% that is freshwater, over two-thirds is frozen in glaciers and polar ice caps, leaving only about 1% accessible for human consumption.

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