Assertion :Spring balances show incorrect readings after using for a long time.
Reason: On using for a long time, springs in the balances lose their elastic strength
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect