EARTH SCIENCE
GEOBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -97% of water on earth is in oceans, which is salt water. Only 3% of water present on earth is freshwater, out of which 2% is frozen in the form of ice caps and glaciers. We can only use rest 1% water for our daily needs.
Detailed explanation-2: -The oceans constitute 97.3% of all water sources on the Earth. Thus, the percentage of freshwater sources is only 2.7%. Of all the freshwater sources, only 2.9% of it is available to us in the form of freshwater lakes, rivers, and groundwater.
Detailed explanation-3: -The Antarctic ice sheet holds about 90 percent of the fresh water that exists on the Earth’s surface. The ice sheet covers approximately 8.7 million square miles. The Greenland ice sheet also contains large volumes of fresh water.
Detailed explanation-4: -Thus, the correct answer is ‘Polar ice.