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because the air has pressure so when we crush the air is expand
It means that the air pressure that sealed the can - can not be removed
Nothing significant. He sees what he looks at.
air has been removed and electrons flow
be you of course!
It compresses the air in or around it making it crush into itself because the air around it is being compressed so tightly togetherit has to make room for itself.
It can be because he has a crush on the same person as his friend
Wait a little. Either the other crush will last forever or it won't. Either your crush will last forever or it won't.Meanwhile, look around. Anybody else look interesting to you? While you're thinking about that, stay friendly to the person you like, and try not to treat their crush like the enemy. It just makes you look bad.
a drinks can
Yes it can. Depending on the range of air pressure between earth and space
Look back and smile.
He/She will probably blush or look at you cutely