Question

person is swimming inside a swimming pool . he has an empty plastic bottle with him . he discovered that when he brings the bottle outside the pool nothing happens to the plastic bottle , but when he takes the bottle in the pool , it shrinks a little . what is the reason of happening this​

Answer 1

Answer:

because the plastic bottle is empty it doesn't contain air

Answer 2

Answer:

first of all, it's a chemistry question

Explanation:

volume is inversely proportional to temperature.. so when the person takes the water bottle inside the pool (having cold water), it shrinks... and once he gets the bottle out again, it regions it's shape.