rose991258 rose991258

01-12-2020
Biology

contestada

Which of the following is a trace gas?
O nitrogen
O ozone
O oxygen
O hydrogen
Help please ASAP

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23marks24 23marks24

01-12-2020

Answer:

O hydrogen

Explanation:

hope it helps, please mark as brainliest please

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jackdurham64 jackdurham64

01-12-2020

Answer:

ozone

Explanation:

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

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