Answer: (C) Biogas plants.
Explanation: The following are the many types of power plants:
A) Thermal Power Station- A thermal power station is a power plant that converts heat energy into electric energy.
B) Nuclear Plant- A nuclear power plant with a nuclear reactor as the heat source.
C) Hydro-electric Plant- This is a power plant that employs hydro energy as a source of energy. The river’s water provides energy.
D) Bio-gas Plant- A biogas plant is a facility that produces biogas through the fermentation of organic materials.
As a result, the right solution is (C). Biogas plants generate both electricity and manure.