The ozone layer of the stratosphere protects the Earth from
A) chlorofluorocarbons.
B) extreme temperature fluctuations.
C) UVB radiation.
D) greenhouse gases.

Question

Quizplus · Accepted Answer

The ozone layer of the stratosphere is crucial for protecting the Earth from harmful UVB radiation. These rays can cause skin cancer, cataracts, and other health problems. Chlorofluorocarbons (CFCs) were known to be depleting the ozone layer, which led to the adoption of the Montreal Protocol to phase out their use. Extreme temperature fluctuations and greenhouse gases are not directly related to the ozone layer.

The Ozone Layer of the Stratosphere Protects the Earth from