The major components of Earth's atmosphere, from the lowest concentration to the greatest concentration, are
A) carbon dioxide, oxygen, and nitrogen.
B) carbon dioxide, nitrogen, and oxygen.
C) nitrogen, oxygen, and carbon dioxide.
D) nitrogen, carbon dioxide, and oxygen.
E) oxygen, nitrogen, and carbon dioxide.

Question

Quizplus · Accepted Answer

The Earth's atmosphere is composed mainly of nitrogen (78%), oxygen (21%), and carbon dioxide (0.04%). Therefore, from lowest to greatest concentration, it is carbon dioxide, oxygen, and nitrogen.

The Major Components of Earth's Atmosphere, from the Lowest Concentration