Question

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Q1. Explain the following terms:
a. Biomass
b. Rainwater Harvesting
c. Nuclear energy
d. Radioactivity
e. Windmill ​

Answer 1

Answer:

1. Biomass :-Biomass is plant or animal material used for energy production, or in various industrial processes as raw substance for a range of products. It can be purposely grown energy crops, wood or forest residues, waste from food crops, horticulture, food processing, animal farming, or human waste from sewage plants.
2. Rainwater harvesting :-Rainwater harvesting (RWH) is the collection and storage of rain, rather than allowing it to run off. ... Rainwater harvesting differs from stormwater harvesting as the runoff is collected from roofs, rather than creeks, drains, roads or any other land surfaces.
3. Nuclear energy :-Nuclear power is the use of nuclear reactions that release nuclear energy to generate heat, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions.
4. Radio activity :- radioactivity is the act of emitting radiation spontaneously. This is done by an atomic nucleus that, for some reason, is unstable; it "wants" to give up some energy in order to shift to a more stable configuration.
5. Windmill :- A windmill is a structure that converts wind power into rotational energy by means of vanes called sails or blades, specifically to mill grain (gristmills), but the term is also extended to windpumps, wind turbines and other applications.