Question

5. Photochemical smog is primarily cause
а)CO d)NO2
b) CO2
c)O3
NO​

Answer 1

Answer:

CO2

Explanation:

it is caused my mainly carbon dioxide...thank u

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Answer 2

Answer:

D

Explanation:

Photochemical smog happens when nitrogen oxides and volatile organic compounds react together in the presence of sunlight as a catalyst and form ozone at lower levels. The nitrogen oxides come from vehicle exhausts, and volatile organic compounds come from many chemicals, such as paint and cleaning agents

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