Of the following gases, the least abundant in the atmosphere is
A) oxygen.
B) nitrogen.
C) carbon dioxide.
D) argon.

Name: Of the following gases, the least abundant in the atmosphere is A) oxygen. B) nitrogen. C) carbon dioxide. D) argon.
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Question

Quizplus · Accepted Answer

Carbon dioxide is the least abundant of the options listed, making up only about 0.04% of the Earth's atmosphere, compared to oxygen (about 21%), nitrogen (about 78%), and argon (about 0.93%).

Of the Following Gases, the Least Abundant in the Atmosphere