Water pollution, Biology

Assignment Help:

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.

 

 


Related Discussions:- Water pollution

Explain about catheters and guide wires, Q. Explain about Catheters and Gui...

Q. Explain about Catheters and Guide Wires? The commonly used guide wires vary in diameter from 0.012 to 0.052; with 0.035 or 0.038 being the most commonly used sizes. The stan

Determine the case when starches treated with heat, Determine the case when...

Determine the case when starches treated with heat In the case of starches treated with heat in presence of acid or alkali, the alteration is a minor fragmentation; similarly,

What is an example of an ion of biological importance, What is an example o...

What is an example of an ion of biological importance? Sodium in one, but so are potassium and calcium

Criticism of lamarckism, point out the criticism of lamarckism in any six s...

point out the criticism of lamarckism in any six short points.

Companion cells, Companion cells  are the specialized cells in the phloem w...

Companion cells  are the specialized cells in the phloem which load sugars into the sieve elements and help to maintain a functional plasma membrane in the sieve elements.

Define nutritional requirements of fats and oils for adults, Define Nutriti...

Define Nutritional Requirements of Fats and Oils for Adults? A desirable amount of a linoleic acid to be consumed by a normal adult is 3 en% (ICMR, 1990). The invisible fat pre

Determine the purpose of glucometer, Glucometer mainly for the following pu...

Glucometer mainly for the following purpose. (i) In acute and chronic care facilities at the patient's bedside, in clinics or hospitals. (ii) In physician's clinics. (iii

Define metabolic utilization of carbohydrates, Define Metabolic utilization...

Define Metabolic utilization of carbohydrates? Following absorption, the monosaccharides enter the portal circulation and are carried to the liver. Both galactose and fructose

Illustrate the statment periodic access to food, Recognition comment: R...

Recognition comment: Recognises that food searching activity is more strongly controlled by access to food than light  through statements such as: birds always anticipat

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd