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Verbal Reasoning
Verbal Reasoning
Hard
Which of the following statements is correct?
The reduction of the ozone layer is an exclusively natural phenomenon that is not affected by human industrial activity.
The increase in global temperature is the direct cause of the reduction of the ozone layer in the stratosphere.
Chlorofluorocarbons (CFCs) are the only known cause of the natural variation in solar radiation reaching the Earth's surface.
Although the Montreal Protocol has succeeded in reducing the emissions of ozone-depleting substances, the full recovery of the ozone layer is a process that will extend over several decades.
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