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प्रश्न
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.
विकल्प
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.
MCQ
अभिकथन और तर्क
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उत्तर
Both A and R are true but R does not explain A.
Explanation:
Hydel power is considered one of the cheapest renewable sources because once the dam is built, the running cost is very low. It also does not produce waste or greenhouse gases during operation. However, the absence of waste does not explain why it is the cheapest form of energy.
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