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Select the incorrect statement from the following set:

1. Chlorofluorocarbons contribute to depletion of the ozone layer
2. The greenhouse effect leads to global warming
3. The ozone layer blocks infrared radiation from the Sun from reaching Earth
4. Acid rain is mainly caused by oxides of nitrogen and sulphur

Correct answer: The ozone layer blocks infrared radiation from the Sun from reaching Earth

Solution

The ozone layer primarily absorbs harmful ultraviolet (UV) radiation, not infrared radiation, which is why this statement is incorrect.

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