GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which gas is 21% of Earth’s Atmosphere?
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Oxygen
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Nitrogen
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Ozone
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Argon
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Explanation:
Detailed explanation-1: -The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
Detailed explanation-2: -Hydrogen gas is not present in air, whereas Air is 78% nitrogen and 21% oxygen, with the remainder being trace gases like carbon dioxide, water vapour etc.
Detailed explanation-3: -What’s in the Air? By volume, the dry air in Earth’s atmosphere is about 78.08 percent nitrogen, 20.95 percent oxygen, and 0.93 percent argon. A brew of trace gases accounts for the other approximately 0.04 percent, including the greenhouse gases carbon dioxide, methane, nitrous oxide and ozone.
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