Photochemical smog is formed from automobile exhaust Options: A . &nbspby reaction of hydrocarbon & nitric oxide in presence of sunlight. B . &nbspappears only on sunny days. C . &nbspis harmful for crops and trees also besides causing eye irritation & asthma. D . &nbspall (a), (b) & (c)

Photochemical smog is formed from automobile exhaust

Question

Photochemical smog is formed from automobile exhaust

Options:

A . by reaction of hydrocarbon & nitric oxide in presence of sunlight.

B . appears only on sunny days.

C . is harmful for crops and trees also besides causing eye irritation & asthma.

D . all (a), (b) & (c)

Answer: Option D
Answer: (d).all (a), (b) & (c)

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