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in Biology by (121k points)
(A) : Motor vehicles equipped with catalytic converter should use unrelated petrol.
(R) : Lead in petrol inactivates the catalyst.
A. If both (A) and (R) are true but (R) is not the correct explanation of (A).
B. If both (A) and (R) are true and (R) is the correct explanation of (A).
C. If (A) is true but (R) is false.
D. If both (A) and (R) are false.

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1 Answer

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by (122k points)
Correct Answer - A

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