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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.
In the fruit fly Drosophila, a rudimentary wing called "vestigial" and dark body color called "ebony" are inherited at independent loci and are recessive to their dominant wild-typ
Diploidy and Haploidy :: In the chromosomal complement given species not all the chromosomes are different from each other .In fact these are in pairs ,i.e. every two chrom
C o c c i d i o si s It is a protozoan disease, caused by Eimeria species, resulting in enteritis, debility and anaemia. E t iology: It is caused by E.
Explain the term- Horizons These processes take a long time- may be a few thousand years to create a soil. As the time passes, the soil matures and generally becomes deeper and
What are the Disadvantages of mucoperiosteal flap More traumatic - flap is raised Sutures are required and the next procedure of impression is delayed till afterthe suture
biting mechanism in snakes
What are the main functions of the bacterial flora within the human gut? Bacteria that live inside the gut have great significance in digestion. Some polysaccharides like cellu
H y p o ma g n e s e m i a It is also known as grass staggers or lactation or grass tetany and results in clonic and tonic muscular spasms and convulsions. E
Upwelling zones of high biological productivity are found along the western coasts of the major continents. What causes this upwelling? a- cold currents moving from the equator tow
What are the examples of Law of Minimum?
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