What makes up less than 1% of the atmosphere? - ProProfs Discuss
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What makes up less than 1% of the atmosphere?



A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Water vapor and other gases

This question is part of Atmosphere Practice Quiz
Asked by Marquart, Last updated: Jul 27, 2018

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2 Answers

John Adney

John Adney

Answered on Sep 18, 2017

I don;t understand this answer becauseCO2 is only about 0.4%. Other gases are about 0.3%

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John Smith

John Smith

Answered on Feb 22, 2017

Water vapor and other gases
 Reply

John Adney

John Adney

Y y y y y y

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