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

Define diagnostic criteria for anorexia nervosa, Define Diagnostic Criteria...

Define Diagnostic Criteria for Anorexia Nervosa? Table gives the American Psychiatric Association diagnostic criteria for anorexia nervosa. Although the manual does not use bod

Give some examples of secretory cells?, Endocrine and exocrine pancreatic c...

Endocrine and exocrine pancreatic cells, thyroid and parathyroid endocrine cells, adenohypophysis, adrenal and pineal endocrine cells, the lot of types of gastric exocrine and endo

Heterospermy, What is heterospermy?also give its significance?

What is heterospermy?also give its significance?

Two main pollutants that contribute to acid rain, (a) What are the two main...

(a) What are the two main pollutants that contribute to acid rain? (b) Where do these pollutants come from? (c) What direct or indirect effect is 'acid rain

Common equine diseases, COMMON EQUINE DISEASES - 1 .       INFLUENZA ...

COMMON EQUINE DISEASES - 1 .       INFLUENZA OR PINK EYE - Pink eyes. Swallon eye lids. 2.       STRANGLES - Fever, dullness, depression, nasal discharge, lumpy a

Procedures adopted by numerical taxonomists, Q. Procedures Adopted by Numer...

Q. Procedures Adopted by Numerical Taxonomists? Since numerical taxonomy is an operational science, the procedure is divided into a number of repeatable steps, allowing the res

Source of nutrients and energy of microorganisms, Q. Source of nutrients an...

Q. Source of nutrients and energy of Microorganisms? Microorganisms use foods as a source of nutrients and energy. Each kind of microorganism has a definite range of food requi

Water demands vary among communities, a)  Water demands vary among communit...

a)  Water demands vary among communities. Discuss some of the factors affecting water uses.  b)  A coastal town has a resident population of 8000 people during the winter months

General procedure of titration - nutritional biochemistry, Define General ...

Define General procedure of titration - Nutritional  Biochemistry? In general a titration requires that we add precise amounts of the known titrant to the unknown analyte or ti

Explain tetralogy of fallot repair and transposition, Explain Tetralogy of ...

Explain Tetralogy of fallot repair and Transposition of arteries? Tetralogy of Fallot Repair: This involves RV outflow resection, closure of the VSD and enlargement of the RV

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