ECOLOGY
ENVIRONMENTAL ISSUES
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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: -Water covers about 71% of the earth’s surface. 97% of the earth’s water is found in the oceans (too salty for drinking, growing crops, and most industrial uses except cooling). 3% of the earth’s water is fresh.
Detailed explanation-2: -Earth’s fresh water : Of all the water that exists on our planet, roughly 97% is saltwater and less than 3% is freshwater.
Detailed explanation-3: -In the first bar, notice how only 2.5% of Earth’s water is freshwater-the amount needed for life to survive.
Detailed explanation-4: -Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.
Detailed explanation-5: -About 71 percent of the Earth’s surface is water-covered, and the oceans hold about 96.5 percent of all Earth’s water.