Chemistry, 09.06.2021 18:00 zzzio1866

Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of each? A)
21% oxygen and 78% nitrogen
B)
21% water vapor and 78% oxygen
09
21% nitrogen and 78% oxygen
D)
21% carbon dioxide and 78% oxygen

Answers: 2

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Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of...

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Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of each? A) 21% oxygen and 78% nitrogen B) 21% water vapor and 78% oxygen 09 21% nitrogen and 78% oxygen D) 21% carbon dioxide and 78% oxygen

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Another question on Chemistry

Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of each? A)
21% oxygen and 78% nitrogen
B)
21% water vapor and 78% oxygen
09
21% nitrogen and 78% oxygen
D)
21% carbon dioxide and 78% oxygen