Question

how to proveair has presser​

Answer 1

Answer:

take a syringe and fill it with air that means pull it out and close the top hole of the syringe and try to release the air from the syringe and we find that it is difficult. this shows that air has pressure

I hope my answer helps you☺☺

Answer 2

Question

how to prove that air has pressure

Answer

Fountain Bottle.

Wrap a lump of clay around the straw to form a seal. Blow hard into the straw—then stand back. Your blowing increases the air pressure inside the sealed bottle. This higher pressure pushes on the water and forces it up and out the straw.