State whether the following statements are true or false

Both Biomass and hydroelectricity are renewable sources of energy.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept- We know that the fuel comes from plants and animal products. Renewable energy sources include biomass and hydroelectricity. Biomass is made from the remains of dead animals and plants. The energy stored in water is used to generate hydroelectricity. Biomass is an environmentally favourable source of energy.
1) Biomass and hydroelectricity are both renewable energy sources.
2) Biomass can be obtained from dead plants, whereas hydroelectricity can be obtained from the energy contained in water.
3) The combustion of biomass produces air pollution, whereas hydroelectricity produces no pollution.
4) Biomass produces thermal energy, which can be used to cook. Hydroelectricity, on the other hand, can power all forms of electric appliances.
Further information:
Plants and animal products are the primary sources of fuel in this system. When these fuels are burned, they produce little heat and emit a lot of smoke. As a result, technological advancements to improve the efficiency of this fuel are critical.
Biogas is produced when cow dung, other plant materials such as crop residue, vegetable waste, and sewage are digested in the absence of oxygen. The primary starting material is cow manure. Biogas is also known as 'Gobar gas.'
A plant generates biogas. Plants' dome-like framework is made of bricks. In a tank, a slurry of cow dung and water is mixed. A digester is a sealed chamber that contains no oxygen. The breakdown process takes a few days to complete and produces gases such as methane, carbon dioxide, hydrogen, and hydrogen sulphide.
Hydroelectricity: To generate hydroelectricity, high-rise dams are built on rivers to restrict the flow of water, allowing us to collect water in larger reservoirs. As the water level rises, the kinetic energy of the flowing water is turned into potential energy.
Hence,the given statement is true.

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