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what is concept of waste? waste management by research studys

  concept of waste   what is concept of waste ? waste is an undesired or unwanted substance which is of no use .It is a substancewhich is discarded after primary use or it is worthess, or defective term waste is often subjective because wate to one person is not necessarily a waste to another. waste  is also referred to as rubbish, trash or garbage which is the useless or worthless material stuff to be trown away. an idea for generation of local waste or waste from your locality would be useful for your general awareness. local wastes include mainly municipal waste generated by :-
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What is geothermal energy? by research studys

  What is geothermal energy? Answer: It is a type of energy.The temperature of the earth's core waves outward. This thermal power is known as geothermal energy. Many countries of the world produce electricity from this thermal power. Iceland meets upto 30% of the total energy requirement from geothermal energy. The U.S.A produces highest amount of electricity in the world from geothermal energy. Electricity production from geothermal energy reduces the use of fossil fuel (coal, petroleum).
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What Is Classfication of waste (1) Solid waste, (2) Liquid waste, (3) Gaseous waste, (4) Toxic waste, (5) Non-Toxic waste:-

Classfication of waste: Depending upon the physical states, there are five types of wastes (1) Solid waste, (2) Liquid waste, (3) Gaseous waste, (4) Toxic waste, (5) Non-Toxic waste:-  (1) Solid waste: It is the solid portions of the discarded materials. It includes mainly domestic or household wastes like,kitchen waste with leftover cooked food, plastic, empty bottles, cans, broken glasses, discarded tyres,tubes, building rubbish, fly ash, carbon dust including various industrial wastes. (2) Liquid waste: Fluids as waste water, fats, oils or grease (FOG), used oil, excess manure,       hazardous household liquids, sewage effluents etc., are categorized as liquid wastes. (3) Gaseous waste: It includes uncontained airborne emissions and effluents, that may consist of particulate matter,dust, fumes, gas, mist, smoke, vapour or any combination. Examples of gaseous waste are particulate dust, gas flaring, lime dust, cigarette fumes, asbestos dust, waste gases and acid fumes.  (4) Toxic wa
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