Question

What is the most abundant gas in the Earth's atmosphere?

Answer 1

Answer:

The most abundant gas in Earth’s atmosphere is nitrogen followed by oxygen which is needed to burn fuel and wood the third most important is argon the amount of carbon dixide in the atmoshpere is small making up 0.033%. Another important gas is water vapor which is small particles.

Step-by-step explanation:

Hope this helps. :)

Answer 2

Answer:

Nitrogen

Step-by-step explanation:

Nitrogen and oxygen are by far the most common; dry air is composed of about 78% nitrogen (N2) and about 21% oxygen (O2). Argon, carbon dioxide (CO2), and many other gases are also present in much lower amounts; each makes up less than 1% of the atmosphere's mixture of gases. Hope this helped!