Which of the following is the cleanest source of energy?
A. Biofuel
B. Fossil fuel
C. Nuclear power
D. Wind energy
Answer: Option D
A. Biofuel
B. Fossil fuel
C. Nuclear power
D. Wind energy
Answer: Option D
Which central government agency is responsible for the mapping and exploration of minerals?
A. The Geological Survey of India
B. Surveyor General of India
C. National Mineral Development Corporation Ltd
D. Indian Bureau of Mines
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