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When toxic substances enter lakes, streams, rivers, oceans and other water bodies, they get dissolved or lie suspended in water. This causes pollution of water bodies, which degrade the quality of water so that either becomes health hazard or unfit for use and known as water pollution.
It is defined as deterioration of physical, chemical and biological properties of water brought about mainly by human activities and natural activities which causes harmful effects on human, plants and aquatic life.
Example: Domestics sewage, waste water discharge, industrial effluents, surface runoff water into river and sea.
What is the difference between aerobic and anaerobic beings? Aerobic organisms are those whose cells do not survive without oxygen as they depend on aerobic cell respiration to
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Q. What is the fluid that fills the nucleus called? The aqueous fluid that fills the nuclear region is called nucleoplasm or karyolymph. In the fluid there are enzymes, protein
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