Question

why atmosphere is known as blanket of earth

Answer 1

because it surrounds the earth just like a blankt
The layers of the atmosphere help protect the earth, like a blanket.

The ozone layer protects the Earth from dangerous UV rays from the sun

The atmosphere prevents meteors from striking the Earth.

The atmosphere also keeps what helps us stay alive inside of the Earth, for example oxygen.

The greenhouse gases in the atmosphere absorb the sun's heat, radiated from the surface of the earth, and keep the planet warm enough for life.

Answer 2

It is called a blanket because it acts like a blanket to earth. It protects the Earth like a blanket protects us from cold.

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