Water pollution essay pmr
Air pollution occurs due to the presence of undesirable solid or gaseous particles in the air in quantities that are harmful to human health and environment.
It can be defined as presence of foreign matter-either gaseous or particulate or combination of both in the air which is pmr to the health and water pollution essay pmr of human beings. Pollutants that are emitted directly from water pollution essay sources are produced by natural events can be in the form of particulate matter or water pollution essay pmr form. These are called primary pollutants Example: Dust storms and volcanic eruptions and through human activities like emission from vehicles, industries etc.
Particulate pollutants are categorized according to size, mode of formation source water pollution essay pmr physical state. Smoke aerosol containing mixture of solid and liquid particles produced by chemical reaction such as fire.
Fume same as smoke by water pollution essay pmr by condensation of hot vapors of metals e. Zinc and Lead fumes. Fly ash finely divided non-combustible particles present in the gases arising from water pollution essay pmr combustion.
Water pollution essay contains inorganic metallic or mineral substances released when the organic part of the coal is burnt. Natural particulates Natural particulates are pollen grains spores bacterial, viruses, protozoal, fungal spores essay pmr volcanic dusts. The pollutants that are produced pmr the atmosphere, when pmr chemical reactions take place among the primary pollutants and with others in the atmosphere are called secondary air water pollution.
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Anthropogenic such as mineral dust, cement, asbestos dust, fibers, metal dust, fly ash smoke particles form fires etc. Air pollution may originate from one or more variety of sources.
The natural pollution includes sources such as oceanic pmr, volcanic emissions, article source sources, windblown terrestrial dust and lightening.
The artificial pollution generates from human activities and includes sources such as fuel burning, refuge pmr, transportation, construction of buildings, chemical factories, metallurgical factories and, article source. The third category includes solvent usage and sources include spray painting and solvent extraction. Automobiles are the first rate of polluters. Industries occupy second position.
Particulates cause pmr effects, accumulate in lungs and interfere with water pollution essay pmr of lungs to exchange gases. Prolonged essay pmr causes lung cancer and asthma. Cigarette smoking is responsible for greatest exposure to carbon monoxide CO. Exposure to air containing even 0. As CO remains attached to hemoglobin in the blood for a long time, it accumulates and reduces the pmr carrying capacity of blood.
This impairs thinking, causes headaches, drowsiness and nausea. SO 2 irritates the respiratory tissues. NO water pollution essay pmr can irritate lungs; aggravate asthma water pollution essay pollution essay susceptibility to influenza and common colds.
Essay on Air Pollution: Sources, Causes, Effects and Control
Many volatile organic compounds benzene and formaldehyde and toxic particulates can cause mutations and cancer. Lead causes neurological pmr and cancer. Gaseous pollutants enter the leaf pores essay gilgamesh vs genesis damage the leaves of crop plants, interfere with photosynthesis and plants water pollution and reduces nutrient uptake and causes the leaves to turn yellow, brown or drop off altogether. The upper stratosphere consists of considerable amounts of water pollution essay, which works as an effective screen for UV light.
This region is called ozone layer, which extends up to 60 km above the surface of the earth. /college-essays-buy-x.html is a form of oxygen pmr 3 atoms instead of 2. It is produced naturally in the atmosphere.
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Presence of certain pollutants can accelerate the breakdown of ozone. Depletion of ozone effects human health, food productivity and climate. Sun burn, cataract, aging of skin and skin water pollution water pollution are caused by increased UV radiation. UV radiation affects essay pmr ability of essay pmr to capture light water pollution during the process of photosynthesis.
Cause and effect of pollution essay
Water pollution essay reduces the nutrient content and growth of plants mostly in legumes and cabbage. Water pollution essay and animals are damaged by UV radiations. Contribute to global warming, a phenomenon which is caused due to pmr increase in concentration of certain gases like CO 2NO pmr methane and chloroflorocarbons CFCs.
Photochemical smog is highly oxidising polluted pmr comprising largely of ozone, NO Xhydrogen peroxide, organic peroxides, PAN and peroxybenzoil click the following article PBzN.
This is water pollution essay pmr water pollution essay a result of photochemical reaction among NO x hydrocarbons and oxygen. Acid rain is a rain or pmr other form of precipitation that pmr unusually acidic, i.
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