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Geological Engineering · Q24

Environmental Geology and Sustainability

Engineering and GATE · Geological Engineering · question 24

Q24

Which gas contributes to ozone layer depletion and is a concern in environmental geology?

A.
Carbon dioxide
B.
Methane
C.
Chlorofluorocarbons (CFCs)
Answer
D.
Nitrogen

Answer: Option C

Solution

Answer: Option C
Solution:
CFCs break down ozone molecules in the stratosphere.This depletion increases harmful UV radiation reaching Earth.