Multiple choice

What percentage of Earth's surface area is covered by water?

  1. 71%

  2. 20%

  3. 15%

  4. 2%

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Approximately 71% of the Earth's surface is covered by water, primarily in the form of oceans. The remaining 29% consists of continents and islands. This high percentage of water is why Earth is often referred to as the 'Blue Planet'.