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3 years ago

Which of the following is a trace gas?

Biology

2 answers:

Burka [1]3 years ago

6 0

Answer:

O hydrogen

Explanation:

hope it helps, please mark as brainliest please

Kay [80]3 years ago

6 0

Answer:

ozone

Explanation:

Out of the 1% of trace gases it makes up .01% of them.

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3 years ago

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stich3 [128]

mRNA

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tRNA

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