Moderate
Which of the following Power Plant causes least environmental pollution____________?
Correct answer: B. Hydro Power Plant
- A. Thermal Power Plant
- B. Hydro Power Plant
- C. Nuclear Power Plant
- D. Diesel Power Plant
Explanation
Hydro plants produce electricity without burning fuel, so they have very low direct air pollution during operation. They can still cause ecological and social impacts through dam construction, but these are generally lower than the pollution from thermal or diesel plants.
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