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Smog can form from what?

Answer and explanation

Correct answer: Smoke and fog

Smog is a form of polluted air whose name is commonly understood as a combination of smoke and fog. Smoke contains pollutants released by vehicles, industries, burning, and other activities, while fog consists of tiny water droplets suspended near the ground. When polluted particles and gases remain trapped in moist air, visibility and air quality can deteriorate. Thus, option D is correct. The other options do not describe the formation of smog: clean water and sunlight do not create it, a book and pen have no atmospheric role, and a tree with manure is related to cultivation rather than polluted air. Smog is therefore an important example of an environmental pollution problem.

Related tags

SmogAir PollutionEnvironmentGreen SkillsEmployability SkillsArtificial IntelligenceClass 12 Mcq

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