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Standard VII
Geography
Atmosphere and Its Composition
Which of the ...
Question
Which of the following gases correspond to 21% in the Composition of Atmosphere?
A
Nitrogen
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B
Oxygen
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C
Carbon dioxide
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D
Argon
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Solution
The correct option is
B
Oxygen
Nitrogen and Oxygen make up most of the part of our atmosphere. Nitrogen is about 78% and Oxygen is 21%.
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