Answer:If the balloons are filled with air all of the air will try and escape from the balloon out of the hole but if the balloon is filled very tightly with air it will burst because there is too much pressure trying to escape such a small hole so it goes PoP!
Explanation:
Not researched this answer was from common knowledge so if you have a correction or better answer please inform me I will be happy to learn more.
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the air's oxygen is partially replaced by carbon dioxide. This is because of the gas exchange that occurs so we can live.
Answer:
a crowd doing a wave at a sporting event