Science, asked by ts789805, 9 months ago

Which of these is not a pollutant unless present in excess?
a) Sulphur dioxide
b) Carbon dioxide
c) Carbon monoxide
d) Nitrogen dioxide ​

Answers

Answered by Seema786
2

Answer:

Nitrogen

Explanation:

Answered by mahek7860
3

Answer:

Carbon dioxide is the right answer

Explanation:

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