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Photochemical smog is most likely to form during which condition?

1. winter in the daytime
2. summer in the morning
3. summer in the daytime
4. winter in the morning

Correct answer: summer in the daytime

Solution

Photochemical smog forms when sunlight triggers chemical reactions between pollutants, which is most prevalent during the summer when temperatures are higher and sunlight is abundant, particularly during the daytime.

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