What are the three most abundant gases in the dry atmosphere?

Nitrogen, Oxygen, Argon.

Explanation:

The three (3) most abundant gases in the dry atmosphere are"

- Nitrogen

- Oxygen

- Argon

These are not the only components of dry air. Dry atmosphere is made up of:

- 78.09% Nitrogen;

- 20.95% Oxygen;

- 0.93% Argon;

- 0.04% Carbon dioxide;

- Other gases

Nitrogen, Oxygen and Argon.

Explanation:

Composition of Earth's atmosphere is as follows.

Nitrogen = 78%

Oxygen = 20.95%

Argon = 0.98%

and rest is other gases.