Assertion (A) The ozone layer present in the upper atmosphere of Earth is beneficial for sustaining life on the Earth. Reason (R) The ozone layer blocks the harmful ultraviolet rays from the Sun and thus proctects life on the Earth.
Verbal Reasoning
Assertion and Reason
Choose an option
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Aif both A and R are true and R is the correct explanation of A
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Bif both A and R are true and R is not the correct explanation of A
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Cif A is true but R is false
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Dif A is false but R is true
Answer
Correct Answer: if both A and R are true and R is the correct explanation of A
Explanation
Both A and R are true and R is the reason for A.