Question

The main constituent of atmosphere by percent is​

Answer 1

Answer:

what

Explanation:

please say in which standard you

Answer 2

Answer:

Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent