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  • The atmosphere is held to the earth by (a) gravity (b) wind (c) clouds (d) earth’s magnetic field

The atmosphere is held to the earth by

(a) gravity             

(b) wind                

(c) clouds              

(d) earth’s magnetic field

Answers (1)

A

Sol.

The atmosphere around earth has gases in it.

These gases have mass; hence they are attracted by the gravitational force of earth.

Gravitational force is given as:

F= \frac{Gm_{1}m_{2}}{r^{2}}

Therefore, we can say that atmosphere is held to the earth by its gravity.

The correct answer for this question is option A.

Posted by

infoexpert24

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