Biology · Environmental Issues
The term 'ozone hole' refers to which of the following phenomena?
- 1A literal physical hole or void in the troposphere atmosphere
- 2A severe decrease in the thickness of the ozone layer in the stratosphere✓
- 3An increase in the thick concentration of ozone in the troposphere
- 4The complete dispersion of the ionosphere layer
Correct answer
A severe decrease in the thickness of the ozone layer in the stratosphere
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