2nd Graders Should Be Able To Pass This QUIZ But Most Adults Can’t!

What percent of the Earth’s surface is covered in water?

Retry Correct Incorrect The correct answer is 70 percent. If the water were to rise than many lands would be consumed and sent underwater.

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Nasa/Getty Images

Nasa/Getty Images

What percent of the Earth’s surface is covered in water?

• 33 percent
• 50 percent
• 25 percent
• 70 percent