water pollution ke upar 10 sentence water pollution ke upar 10 sentence
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The natural state or quality of water gets changed when certain chemical substances, particles, microbes, radiations etc are added to or passed through it.The process of such change in water may be termed as water pollution. In simpler words, water pollution means the process of making water unusable due to mixing of some pollutants. Generally, water is polluted if there are human settlements, industries, agriculture etc near the water sources, from where wastes get mixed with the water. Polluted water harms the plants and animals present there. Such water is also not usable for human beings.
Some of the major factors for water pollution are industrial wastes, agricultural fields using chemical fertilizers and pesticides, extraction of mineral resources, disposal of waste products etc. Mixing and spread of fossil fuels like petroleum also make the sea water polluted