Assertion :Presently, the global atmosphere is warming up. Reason: The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the earth.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Assertion is correct but Reason is incorrect.
Both Assertion and Reason are incorrect.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
C
Assertion is correct but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
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Solution
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Global
warming is the overheating of the earth due to the increased
concentration of greenhouse gasses. Greenhouse gasses generally traps
the radiations of the earth which leads to increase in the
temperature of the earth and global warming. The greenhouse gasses
includes water vapor, carbon dioxide, methane, nitrous oxide,
and ozone. While the increase in the ozone whole depends on the emission of CFC.
Therefore, the correct answer is option B.
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Q1
Assertion :Assertion: Presently, the global atmosphere is warming up. Reason: Reason: The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the earth.
View Solution
Q2
Assertion : UV radiation causes photodissociation of ozone into O2 and O. Thus causing damage to the stratospheric ozone layer.
Reason : Ozone hole is resulting in global warming and climate change.