Which of the following pollutants is primarily responsible for the formation of

Which of the following pollutants is primarily responsible for the formation of smog?

Which of the following pollutants is primarily responsible for the formation of smog?

Step 1: Understand what smog is. Smog is a type of air pollution that looks like a thick fog and can be harmful to health.
Step 2: Identify the main pollutants that can cause smog. Common pollutants include nitrogen dioxide, sulfur dioxide, and particulate matter.
Step 3: Learn about nitrogen dioxide. It is a gas that comes from vehicles, power plants, and other sources.
Step 4: Recognize that nitrogen dioxide reacts with other substances in the air, especially in sunlight, to form smog.
Step 5: Conclude that nitrogen dioxide is a key contributor to smog, particularly in cities where there are many cars and factories.

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