Question

With the help of an activity show that air exerts pressure .

Answer 1

Answer:

example in which air pressure can be observed: Take a glass and fill only 1/3 of it with water. Cover the mouth of the glass with an index card. Now hold the card in place and invert the glass over a sink and remove your hand from the card. The card sticks to the glass. This is due to air pressure.

thus, air exerts pressure

Explanation:

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