Question

‘Ozone-hole’ means:

• A. A large sized hole in the ozone layer
• B. Thinning of the ozone layer
• C. Small holes scattered in the ozone layer
• D. Thickening of ozone in the ozone layer

Answer 1

The correct option is B

Thinning of the ozone layer

The correct answer B: Thinning of the ozone layer

The explanation for correct answer:

Ozone hole:

1. The thinning of the ozone layer is called the ozone hole. The ozone hole has been seen over Antarctica.
2. The chemicals responsible for thinning of the ozone hole include chlorofluorocarbons (CFCs), halogens (used in fire extinguishers), nitrous oxide, and methane gas.

Final answer: The correct answer is option (B)