Question

what is meant by layer of sphere
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Answer 1

Answer:

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.

Explanation:

Something that is spherical is round like a ball.

Answer 2

It means the layer of atmosphere surrounds the earth. There are 5 layers of atmosphere, namely: Troposphere, stratosphere, mesosphere, thermosphere and exosphere.

Hope it helps....^•^