Correct option is A
Nuclear Energy:
Nuclear energy is generated through the process of nuclear fission, where heavy atomic nuclei (usually uranium-235 or plutonium-239) are split to release a large amount of energy. This energy is then used to produce electricity. While nuclear energy is a low-carbon source of energy and can generate large amounts of electricity, it relies on finite resources like uranium and produces radioactive waste. Because the fuel used in nuclear power plants is not replenished naturally at a significant rate, nuclear energy is not considered renewable.
Hydropower:
Hydropower, also known as hydroelectric power, is generated by harnessing the energy of flowing water, typically from rivers or dams. The movement of water spins turbines, which generate electricity. Since water is a natural, continuously replenished resource, hydropower is considered a renewable source of energy.
Biomass:
Biomass energy is derived from organic materials such as wood, agricultural residues, and other plant and animal matter. When these materials are burned or converted into biofuels, they release energy that can be used for heating, electricity, or transportation. Biomass is considered renewable because the organic materials used can be replenished through natural processes like plant growth.
Energy from Waste:
Energy from waste involves converting waste materials into usable energy, typically through processes like incineration, anaerobic digestion, or gasification. The energy produced can be used for electricity generation or heating. Since waste materials often originate from renewable sources (such as organic waste), and because the process helps in reducing landfill, energy from waste is generally considered a renewable source of energy.
