Question

discuss in brief the variation in atmospheric pressure with altitude. do changes in temperature also cause a change in atmospheric pressure?

Answer 1

You can think of atmospheric pressure in the same way you would think of ocean pressure: the deeper you dive, the greater the pressure because more water is pushing down on you.

At sea level, you have the weight of all the air above pushing down on you. Thus as you increase your altitude, the air gets thinner and there is less air pushing down on you (resulting in lower atmospheric pressure).

Answer 2

$\huge \bold \green{hello \: user}$

Air pressure decreases with increase in altitude due to this day atmospheric pressure is high at the sea level and low in the mountains atmospheric pressure decreases with increase in temperature.

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