Question

place a crumpled piece of paper on the mouth of an empty bottle and it comes outside when you blow air inside the bottle​

Answer 1

Answer:

place a crumpled piece of paper on the mouth of an empty bottle and it comes outside when you blow air inside the bottle

Explanation:

sorry don't know

Answer 2

Explanation:

first tell in which cls you study,

then I can answer according to ur class level...