THE EARTH
PHYSICAL GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is estimated water surface of the earth?
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361,740,000 sq km
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381,000,000 sq km
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361,740,200 sq km
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381,000,300 sq km
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Explanation:
Detailed explanation-1: -Area of water: 361 740 000 km2 (139 668 500 square miles), this are 71% of the total surface of the Earth. 97 percent is salt water and only 3 percent is fresh water.
Detailed explanation-2: -By volume, the Earth is about 1 trillion or 1, 000 billion cubic kilometers. All of the earth’s water comes in at a thousand times smaller, in a sphere with a volume of 1.4 billion cubic kilometers and about 1, 400 kilometers in diameter-that’s about the length of Madagascar.
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