Name three gases which are major air pollutants .

Explanation

To answer the question about naming three major air pollutants, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Air Pollution**: Air pollution refers to the presence of harmful substances in the atmosphere that can adversely affect human health, other living beings, and the environment.

2. **Identify Types of Air Pollutants**: Air pollutants can be in various forms including gases, solid impurities, biological molecules, and particulates.

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