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

Degradation of fats, Q. Explain Degradation of Fats? Fats are the este...

Q. Explain Degradation of Fats? Fats are the esters of glycerol and fatty acids and are called as 'glycerides'. Fats are susceptable to hydrolysis, oxidation and other che

How can coacervates formed of phospholipids or polypeptides, How can coacer...

How can coacervates be formed of phospholipids or polypeptides? Phospholipids are amphipathic molecules, i.e., they present a polar portion and a nonpolar portion. In contact w

Calculate how much of the absorbance of the bsa, For a sample containing bo...

For a sample containing both protein and nucleic acid, the absorbance measured at a particular wavelenght will be the sum of contributions from both types of molecule. using the pr

All or None Response, All or None Response A very weak stimulus does n...

All or None Response A very weak stimulus does not result in an action potential. The stimulus must have a certain strength to evoke an excitation. This is the threshold value

Calcium channel blockers, Calcium antagonists are not recommended for the t...

Calcium antagonists are not recommended for the treatment of CHF because of their negative inotropic effects. However, second-generation dihydropyridine-type calcium antagonists su

Percussive instruments-coronal disassembly devices, Percussive instruments ...

Percussive instruments -Crown and bridge remover CORONA flex I. Nitch -it's tip look like the curette and has hock -4 or 5 tips according to tooth position and accessib

Phylum Coelenterata, Phylum Coelenterata characters anc classification

Phylum Coelenterata characters anc classification

What are the role of mr, MR means medical representative. Medical rep has t...

MR means medical representative. Medical rep has to sell products of pharma companies or drug manufacturers. He has to go to doctors and medical shops to sell drugs and promote dru

When did life appear on earth?, When did life appear on earth? It is es...

When did life appear on earth? It is estimated that the life on earth emerged about 3.5 billion years ago, thus 1 billion years after the formation of the planet.

Segmentation in regenerating annelids, Segmentation in Regenerating Annelid...

Segmentation in Regenerating Annelids Several worms as they grow continue to add new segments at the posterior end. In these, segmentation takes place in a growth zone located

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