Moderate
Ozone hole is refers to as:
Correct answer: C. Decrease in thickness of ozone layer in stratosphere
- A. Hole in ozone layer
- B. Decrease in the ozone layer in troposphere
- C. Decrease in thickness of ozone layer in stratosphere
- D. Increase in the thickness of ozone layer in troposphere
Explanation
The ozone hole is a marked thinning or reduction in the concentration of stratospheric ozone, especially over polar regions. It is not a literal hole and does not refer to ozone loss in the troposphere.
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Practise Forest Ecology
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