The correct answer is (c), biogas plants. Biogas plants produce biogas, a renewable energy source, from organic waste. The organic waste can be from farms, food processing plants, or even sewage. Biogas can be used to generate electricity, heat, or fuel vehicles. The solid waste left over from the biogas production process can be used as fertilizer.
Nuclear plants, thermal plants, and hydroelectric plants do not produce manure. Nuclear plants use nuclear fission to generate electricity. Thermal plants use fossil fuels, such as coal or natural gas, to generate electricity. Hydroelectric plants use the power of moving water to generate electricity.
Here is a more detailed explanation of each option:
(a) Nuclear plants use nuclear fission to generate electricity. Nuclear fission is a process in which a large atom is split into two smaller atoms. This process releases a large amount of energy, which is used to heat water. The hot water is then used to turn a turbine, which generates electricity. Nuclear plants do not produce manure.
(b) Thermal plants use fossil fuels, such as coal or natural gas, to generate electricity. Fossil fuels are non-renewable resources that release greenhouse gases into the atmosphere when they are burned. Thermal plants do not produce manure.
(c) Biogas plants produce biogas, a renewable energy source, from organic waste. Organic waste can be from farms, food processing plants, or even sewage. Biogas can be used to generate electricity, heat, or fuel vehicles. The solid waste left over from the biogas production process can be used as fertilizer.
(d) Hydroelectric plants use the power of moving water to generate electricity. Hydroelectric plants are a renewable energy source that do not produce greenhouse gases. However, they can have a negative impact on the environment if they are built in areas where they will disrupt the flow of water or the habitat of fish and other wildlife.