Question

main feature of atmosphere​

Answer 1

Answer:

Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure

Answer 2

Explanation:

Earth consists of land,air ,water and life. The land contains mountains,valleys and flat areas. The air made up of different gases,mainly nitrogen and oxygen. The water includes oceans, lakes, rivers,streams, rain snow and ice.

hope it will be help you ☺☺...