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denis23 [38]
2 years ago
14

Can someone please help me?

Chemistry
2 answers:
Oksi-84 [34.3K]2 years ago
8 0
I would say the answer is B
Naya [18.7K]2 years ago
3 0

Answer:

I know its not Oxygen (O2) because we need that gas to breath if not more of that gas! and i know its not helium because it is not very toxic and not a crisis in the world

Your answers are going to be B. and D.

have a nice day!

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6 0
2 years ago
Will give brainliest!!!!
butalik [34]
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3 0
3 years ago
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