Which of the following gases is not a cause of air pollution?
(a) Carbon dioxide
(b) Carbon monoxide
(c) Sulphur dioxide
(d) Hydrogen
Answers
Answered by
4
(d) Hydrogen
Carbon dioxide, carbon monoxide , sulphur dioxide are the reaosn for air pollution has increased. They are released due to increase in the usage of fuel which leave harmful gases etc.
Answered by
3
Answer:
Hydrogen
Explanation:
It Doesn't Contain Any Harmful Thing In it
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