Earth
78% of the earth's atmosphere is composed of which gas?
More Questions from Earth
What is the sediment left behind after a glacier moves through an area called?
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What "foggiest" world capital averages 47 fogs a year?
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How many miles long is an average bolt of lightning?
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Which of these continents would you find in the southern, western hemisphere?
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Approximately what fraction of the Earth's air is made up of oxygen?
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In terms of weather, what is the land corridor that stretches from Texas to North Dakota called?
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What is petroleum as found in the earth, before it is refined?
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