Geography
Assertion (A): Hydel power is the cheapest form of renewable energy.
Reason (R): Once the project is operational it does not produce waste or green house gases.
- 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.
Conventional Energy Sources
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Answer
Both A and R are true but R does not explain A.
Explanation — Hydel power is one of the cheapest renewable energy sources because of its low operating cost after the initial investment. Although it produces no waste or greenhouse gases during operation, this does not explain why it is the cheapest.
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