Social Sciences, asked by rohitdaal462, 4 days ago

Which of the following gases is hygienic? (a) Nitrogen (b) Ozone (c) Carbon dioxide (d) Hydrogen

Answers

Answered by zikrarahmani0
0

Answer:

Nitrogen gas is hygienic..

Answered by justhelper
0

Answer:

Nitrogen (a)

nitrogen is the hygienic gas

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