[tex]\colorbox{black}{\color{gray}{ \boxed{Answer}}}[/tex]
Put water in a mineral water bottle. Turn the bottle upside down.
Did the water drip? Why? Why not
- it did Not drip, because the air pressure outside the bottle higher,so it actually tries to push into the bottle through the bottom hole. So it keeps the water in, just like a vacuum.
What do you see in the mouth and in the cover of the bottle?
- water staying in the bottle
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[tex]\mathbb\color{gray}{-Meow}[/tex]
