MCQ
Bad ozone is formed in.
- AAtmosphere.
- BIonosphere.
- CStratosphere.
- ✓Troposphere.
✓
Answer
Correct option: D.
Troposphere.
In the Earth's lower atmosphere, near ground level, ozone is formed when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources react chemically in the presence of sunlight. Ozone at ground level is a harmful air pollutant.
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