20-03-2021
Biology

contestada

Air pollution is caused by;
1. Ozone loss
2. Photochemical smog
3. Global warming
4. Acid precipitation

Answers
1. Only 1
2. Only 2
3. All of them
4. All expect from global warming

Respuesta :

ayshaansari008 ayshaansari008

20-03-2021

Answer:

2.

Explanation:

only 2 of them are the causes of air pollution

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