Question

question 9 (1 point)
there are numerous gases in our atmosphere; however, the dominant gases are which of the following?
oxygen and carbon dioxide
nitrogen and oxygen
nitrogen and carbon dioxide
carbon dioxide and argon
trace gases and oxygen

Explanation:

The Earth's atmosphere is composed of various gases. Nitrogen makes up about 78% and oxygen about 21% of the atmosphere by volume. These two are the most abundant (dominant) gases. Carbon dioxide is a minor component (about 0.04%), argon is about 0.93%, and trace gases are in very small quantities.

Answer:

Nitrogen and oxygen