Praxis 5511 Practice Test Practice Question
Which of the following environmental problems is a direct result of the release of chlorofluorocarbons (CFCs) into the atmosphere?
Correct Answer: C
Rationale: Chlorofluorocarbons (CFCs) are known to deplete the ozone layer, which protects life on Earth from harmful ultraviolet (UV) radiation. When CFCs are released into the atmosphere, they eventually reach the stratosphere, where they break down ozone molecules.
Option A, acid rain, is primarily caused by sulfur dioxide and nitrogen oxides, not CFCs. Option B, deforestation, results from human activities like agriculture and urbanization, unrelated to CFC emissions. Option D, photochemical smog, is mainly formed from vehicle emissions and industrial pollutants, not CFCs. Thus, ozone depletion is the direct consequence of CFC release.
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