Which one of the following groups consists only of gases that comprise 0.03, 0.97 and 21 percentage in air respectively?

      

Which one of the following groups consists only of gases that comprise 0.03, 0.97 and 21 percent in air respectively?
A. Inert gases, oxygen and nitrogen.
B. Carbon dioxide, inert gases and oxygen.
C. Inert gases, carbon dioxide and nitrogen.
D. Carbon dioxide, oxygen and nitrogen.

  

Answers


sharon
The correct answer is B. Carbon dioxide, inert gases and oxygen.
sharon kalunda answered the question on July 29, 2019 at 14:03


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