Question

2. Weight of vertical column of air at any given place and time is
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Answer 1

Answer:

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Explanation:

Atmospheric pressure is the weight of the column of air at any given place and time. It is measured by means of an instrument called barometer. The units used by meteorologists for this purpose are called millibars (mb). One millibar is equal to theforce of one gram on a square centimetre.

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