air pollution is caused by
1). iron
2). oxygen
3). hydrogen
4). carbondioxyde
Answers
Answered by
1
Answer:
Explanation:
(Less than 2%). Oxygen. (21%). Nitrogen. (78%). 0.04% Carbon dioxide. CO2 ... Air pollution occurs when certain gases and particles build up in the.
Answered by
0
Answer:
about this option l am confused
Explanation:
Air pollution is caused by solid and liquid particles and certain gases that are suspended in the air. These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes and wildfires.
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