(A): The bridges declared unsafe after a long use.(R) : Elastic strength of bridges losses with time due to elastic fatigue.

(A): The bridges declared unsafe after a long use.(R) : Elastic streng

1.	(A): The bridges declared unsafe after a long use.(R) : Elastic strength of bridges losses with time due to elastic fatigue.
Answer» Both (A) and (R) are TRUE and (R) is the correct EXPLANATION of (A) Both (A) and (R) are true and (R) is not the correct explanation of (A) (A) is true but (R) is false Both (A) and (R) are false Answer :A