Question

Describe the composition of atmosphere. Why it is important?​

Answer 1

Explanation:

Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and 0.93% argon. All of these trace gases have important effects on Earth's climate. ... The atmosphere can be divided into vertical layers determined by the way temperature changes with altitude.

Answer 2

Answer:

Earth's atmosphere is composed of following molecules ;

Nitrogen, oxygen, argon , carbon dioxide, neon , O-zone, methane, iodine, carbon monoxide,ammonia etc.

It is important because of the following reasons :

1. It hepls us to breathe.
2. It controls the extremes of temperature during day and night.
3. We also obtain water from atmosphere.