Answer: your awnser would be carbon dioxide,
Explanation: just took test and got it right, so its correct,
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Answer is Carbon dioxide.The given gases are trace gases. Our atmosphere has 0.1% of trace gases. Among those trace gases, carbon dioxide level is highest as 93.49%. Methane has 0.44% and amount of nitrous oxide is 0.07%. But when considering the whole atmosphere nitrogen gas is the most abundant gas as 78% and next is oxygen as 21%.
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