Multiple choice general knowledge science & technology

Water covers what percent of the earth's surface

  1. 25%

  2. 55%

  3. 40%

  4. 70%
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Approximately 71% of Earth's surface is covered by water, with oceans accounting for about 96.5% of all water. This is why Earth appears blue from space and is called the Blue Planet. The other options (25%, 55%, 40%) significantly underestimate the extent of water coverage.

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