Question

what is an atmosphere?​

Answer 1

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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.

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Answer 2

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: ... keeps the climate on Earth moderate compared to that of other planets.