The balloon will shrink because the average kinetic energy of gas molecules in a balloon decreases with fall in temperature. Butif we warm the balloon , it will rise.
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It's pretty simple. When air is leaking out of a tire, like a tiny hole or something, the pressure in the tire decreases, because without air in the tire, there is no pressure.
The answer is d! I’m happy to help :)
Answer:
1, their atoms have the same number of valence electron. because valence electron determine the group of elements.
