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effect on water bodies - dissolved oxygen do most aquatic organisms respire with oxygen dissolved in water the quantity of dissolved oxygen in a unit
surface run-off - causes of water pollutionthe surface run-off from cultivated lands where inorganic fertilisers pesticides insecticides and rich
industrial effluents - causes of water pollutionmost industrial operations produce effluents that are discharged into nearby river or any other water
domestic effluents - causes of water pollutionliquid waste produced daily in kitchen bathroom and toilet are discharged directly or through canal
water pollution water is one of the most essential requirements for the survival of all living organisms water is used for household agricultural
water pollutants - water pollution water pollution can occur on account of any one or more of the following agents1 biological pathogens such as
sources of water pollution there are natural sources of water pollutants such as mineral ores from rocks chemicals from mines and gases from
point and non-point sources the discharge of effluents in receiving water body at a specific site are referred to a point sources in contrast to the
meteorological factors and air pollutionair pollution levels in a region are affected by wind location topography precipitation and temperature
effects on weather - air pollutantsdust smoke and other suspended particulate matter reduce visibility fly-ash also affects visibility by
effects on materials - air pollutantsmost air pollutants are reactive chemicals so they react with most of the substances around you may recall from
effects on ecosystem - air pollutantsthe effects of pollutants on ecosystem become visible after a long period of exposure in highly industrialised
air pollutants - effects on plants particulate matter such as cement coal petro coke dust and fly-ash screen the light and thus change its quantity
effects on plants of air pollutantsso2 o3 and no2 are strong oxidants and can bring about significant changes in plant cell chemistry the general
effects on health - consequences of air pollutionsince the air pollutants are inhaled they attack various parts of the respiratory system on their
consequences of air pollutionthe physiological effects of toxic pollutants on living beings can be of two typesacute effects andchronic effectsacute
agricultural activities - cause of air pollutionagricultural activities too are a major cause of air pollution about 60 to 65 of carbon dioxide is
causes of air pollution we known about the composition of atmosphere its major and minor constituents the composition of atmosphere has remained the
air pollution - environmental pollutionthe threat due to air pollution became apparent only when some severe episodes caused human casualty in usa
pollution - environmental pollutionpollution refers to any undesirable change in the physical chemical or biological characteristics of our
aesthetic and recreational significance - wildlifemany wild species are a source of beauty wonder joy and recreational pleasure for large number of
ecological significance - conservation of wildlife besides serving as a valuable genetic reservoir each species interacts with other species and
genetic reservoir - conservation of wildlife despite the present and future economic and health importance to human beings very little is known
medical research - conservation of wildlife many animal species are used to test drugs and vaccines and to increase our understanding of human
medicinal value - conservation of wildlifeabout 40 of all drugs used throughout the world have active ingredients extracted from plants and animals