Multiple choice

Which planet is known as the 'Watery Planet'?

  1. Mercury

  2. Earth

  3. Mars

  4. Jupiter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Earth is called the Watery Planet because approximately 71% of its surface is covered by water, mostly in the form of oceans. This abundance of liquid water is unique among known planets and is essential for life. Other planets like Mars and Mercury have little to no surface liquid water.

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