1.

An Assertion (A) and a Reason (R) are given below.Assertion (A): A little gap is left between iron rails.Reason (R): Iron expands in summer.Choose the correct option.

A. A is true but R is false.
B. A is false but R is true.
C. Both A and T are true and R is the correct explanation of A.
D. Both A and R are true but R is not the correct explanation of A.
Answer» D. Both A and R are true but R is not the correct explanation of A.


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