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Andrej [43]
2 years ago
8

Can someone plss help me with this and give good explanations!!!

Biology
1 answer:
nikdorinn [45]2 years ago
5 0

Answer: So air, like most other substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward.

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