Question

when we blow the crumpled paper kept at
the mouth of the bottle warmer why is it
difficult to force the paper inside the bottle?​

Answer 1

Answer:

Air Has Pressure

Explanation:

Because The force of the mouth is unequal to the atmospheric pressure

Answer 2

Answer:

Air has pressure because the force of the mouth is unequal to the atmospheric pressure.

Explanation:

Keep Smiling...