Geography
Assertion (A): Runoff from only paved surfaces is used for storing rainwater.
Reason (R): It is relatively free of bacteriological contamination.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Water Resources
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Answer
Both A and R are true and R is the correct explanation of A.
Explanation — Paved surfaces are relatively free of bacteriological contamination due to lack of direct contact with soil and organic matter, limited microbial activity, and less exposure to pollutants.
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