Question

CFCs cause

• A. depletion of ozone layer
• B. depletion of $C{O}_2$
• C. increase of ozone layer
• D. increase of $C{O}_2$

Answer 1

The correct option is A

depletion of ozone layer

The correct option is A

Explanation of the correct answer:

1. CFCs which are Chlorofluorocarbons cause significantly stratospheric ozone depletion and global warming relating to the greenhouse effect.
2. They are emitted by the sources directly into the atmosphere.

Explanation of the incorrect answer:

Option B:

1. The process of photosynthesis simply decreases carbon dioxide in the air with the help of plants.
2. Photosynthesis is the process through which plants convert sunlight, water, and carbon dioxide into oxygen and sugar energy.

Option C:

1. Increase in the Ozone layer happens when Pollutants generated by automobiles, power stations, industrial boilers, refineries, chemical plants, and other sources react chemically when exposed to sunlight.

Option D:

1. Increase in CO₂ happens by burning fossil fuels, releasing chemicals into the atmosphere, lowering forest cover, and the rapid expansion of farming, development, and industrial activity, all of which change the climate system's balance.

Final Answer:

CFCs cause depletion of the ozone layer.