Question

Select the one that has an adverse effect on the ozone layer.

• A. Carbon dioxide
• B. Chlorofluorocarbons
• C. Soil
• D. Dust particles

Answer 1

The correct option is B

Chlorofluorocarbons

Ozone layer:

The ozone layer is a layer that is present in the stratosphere and plays a role in absorbing harmful radiation i.e the UV radiation that is emitted from the sun.

The correct option is B.

Explanation of the correct option:

1. The CFCs or chlorofluorocarbons are emitted from air conditioners, refrigerators, etc.
2. It is responsible for the depletion of the ozone layer.

Explanation of the incorrect option:

Option A:

Carbon dioxide is a toxic gas that is emitted from the burning of fuel, industries, forest fires, etc and it does not have any adverse effect on the ozone layer.

Option C:

Soil is an abiotic factor on the Earth's surface that provides nourishment for plant growth and it does not have adverse effects on the ozone layer.

Option D:

Dust particles from the soil or surface of the rock do not have an adverse effect on the ozone layer.

Final answer: Chlorofluorocarbons is one that has an adverse effect on the ozone layer.