Assertion (A): To control carbon monoxide pollution catalytic converters are used in the automobiles.”
Reason (R): They reduce of the emission of poisonous gases.
1
Both (A) and (R) are true. (R) is correct explanation for (A).
2
Both (A) and (R) are true. (R) is not correct explanation for (A)
3
(A) is true but (R) is false
4
(A) is false but (R) is true