Why can u "hea"r the ocean through bottles and stuff?

Question

ive always wondered that....what do u think?

Answer 1

it is the air traveling through them.

Answer 2

well u hear the air thats moving in and out of the bottle and it creates a sound similar to that of waves on an ocean.

Answer 3

no it is just compressed air travling thru them at a fast speed which sounds like some thing around you, for ex. the ocean

Answer 4

it's the echo of your blood traveling through your ear...and air...

Answer 5

It is the blood vessels  in your ear pumping blood and it is  echoing in closed spaces such as shells and bottles