8) Assertion(A): The underground network of big and small pipes that carries sewage from point
of being produced to the point of disposal is known as sewerage.
Reason(R): In sewerage manholes are located at every 30m to 40m.
a) Both A and R are true and R is the correct explanation of A.
b) Both A and Rare true but Ris not the correct explanation of A.
c) A is true and R is false.
d) A is false and R is true.
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Answer:
b. both A and R are true but R is not the correct explanation of A
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