Question

what is atmosphere ​

Answer 1

Answer:

The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction.

Without the atmosphere there could be no life on Earth. The atmosphere:

• contains the air we breathe;
• protects life from harmful radiation from the Sun;
• helps keep the planet's heat from the Sun from escaping back into space;
• is a major element of the water cycle;
• keeps the climate on Earth moderate compared to that of other planets.

Answer 2

Answer:

here is your answer

Explanation:

An atmosphere is a blanket of gases surrounding a planet or other material body, that is held in place by the gravity of that body. ... The atmosphere of Earth is mostly composed of nitrogen (about 78%), oxygen (about 21%), argon (about 0.9%) with carbon dioxide and other gases in trace amounts