Question

'Please explain this to me (I'm in 8th grade)
b) A football is blown up until it is hard on a hot summer day. In the evening the football feels softer.

Answer 1

Here's your answer !!

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◆During day time the particles of which the football is made up of expands and move away from each other due to high temperature and during night time the particles of which the football is made up of come little closer due to less temperature and hence the football feels softer.

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Hope it helps you!! :)