Multiple choice general knowledge science & technology

What percentage of the earth is covered by water?

  1. about 68%

  2. about 71%

  3. about 90%

  4. about 82%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

About 71% of Earth's surface is covered by water, primarily in the form of oceans. This leaves about 29% as landmass. The other options are incorrect - 68% is too low, 82% and 90% are too high.

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