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Harlamova29_29 [7]
3 years ago
14

Correct answer will be marrk as braineast answer​

Chemistry
1 answer:
diamong [38]3 years ago
7 0

Answer:

Q 20: I think this answer would be rarer to denser medium

Q 21: The fluctuation of physical condition in the Earth's atmosphere.

Q 22: I don't see white as an option, but I'm pretty sure that's the correct answer.

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