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Question

choose the correct alternative from the following :

Assertion (A) : Telephone wires sag more in summer.

Reason (R) : They expand due to summer heat.


Options:
A .  Both A and R are true and R is the correct explanation of A.
B .  Both A and R are true but R is not the correct explanation of A.
C .  A is true but R is false.
D .  A is false but R is true.
E .  Both A and R are false.
Answer: Option A

The metal of telephone wires expands in summer and the wires become loose. So,

they sag.



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