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

Study of human age pyramids, Q. What are the analyses provided by the study...

Q. What are the analyses provided by the study of human age pyramids? The study of human age pyramids able to provide the following analyses, proportion of individuals at an ec

Simple tips to diarrhoea patient, A few simple tips which should be given t...

A few simple tips which should be given to the patient. • Boiling, steaming, baking, pressure cooking should be encouraged • Consume small and light meals frequently instea

Explain the transfer from liquid medium to solid media, Explain the Transfe...

Explain the Transfer from liquid medium to solid media? Here the steps involved include: 1. Inoculating loop is sterilized by incineration and allowed to cool, as described

Define stress echocardiography with adenosine, Q. Define Stress Echocardiog...

Q. Define Stress Echocardiography with Adenosine? These have all been described. The information is that of wall motion abnormality indicating ischaemia. Ejection fraction can

Cleft grafting, Cleft grafting  The stem of the stock is cut across....

Cleft grafting  The stem of the stock is cut across. A 'V' shaped insertion is made at the end of the stock. The scion is cut in shape. The scion is inserted into the 'V'

How are roots affected by water, How are roots affected by water? Grow ...

How are roots affected by water? Grow some seedlings in single end of a glass dish or pan. When they are about 5 cm tall start watering them on one side only and a little dista

Why binding motifs regulate gene expression, How do leucine zipper binding ...

How do leucine zipper binding motifs regulate gene expression?

Can you briefly explain about parasitism, Q. Can you briefly explain about ...

Q. Can you briefly explain about parasitism? The Parasitism is an inharmonious interspecific ecological interaction in which individuals of a species (the parasites) explore or

Organ that belongs to more than one organ system, What is an organ that bel...

What is an organ that belongs to more than one organ system? One answer is the pancreas. It belongs to both the endocrine and digestive systems. Another one is bone marrow. It

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