Multiple choice

How much of the Earth’s surface is covered by water?

  1. 82%

  2. 79%

  3. 72%

  4. 54%
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Approximately 71% to 72% of the Earth's surface is covered by water, with the vast majority of that being saltwater in the oceans. The remaining 28% to 29% consists of continents and islands.

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