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

taxonomy, what are the phase of alpha taxonomy

what are the phase of alpha taxonomy?

What are the major human diseases caused by roundworms, Q. What are the maj...

Q. What are the major human diseases caused by roundworms? The major human diseases caused by nematodes are ancylostomiasis, ascariasis (hookworm infection) and filariasis (com

Explain natural history of mitral stenosis, Q. Explain Natural History of M...

Q. Explain Natural History of Mitral Stenosis ? Untreated, mitral stenosis is a serious disease with observed 10-year mortality of 70-80 per cent in sy

Explain terms of osmosis, A red blood cell has an internal salt concentrati...

A red blood cell has an internal salt concentration of 150mM. The cell is placed in a beaker of 500mM salt. (a) Assuming that the cell membrane is permeable to water but not to

Definition of counselling, Q. Definition of Counselling? Counselling ha...

Q. Definition of Counselling? Counselling has been defined as a process of helping/enabling a person/people solve certain interpersonal (not able to continue relationship), emo

Define the armamentarium, Define the Armamentarium a) Micro-mirrors (ma...

Define the Armamentarium a) Micro-mirrors (magnification: x 40, Size: 0.5) b) Micro-probe c) Micro-blades, tissue retractors d) Burs e) Retrograde Tips "round bur

Energetic function of organic molecules, Q. What are the few examples of th...

Q. What are the few examples of the energetic function of organic molecules? Ans. Since they are complex molecules, organic molecules store large amount of energy, present

Calculate the electric potential at the midpoint of the base, The three cha...

The three charges in the figure below are at the vertices of an isosceles triangle. Let q = 7.00 nC and calculate the electric potential at the midpoint of the base.

What is adp phosphorylation, What is ADP phosphorylation? What respectively...

What is ADP phosphorylation? What respectively are photophosphorylation and oxidative phosphorylation? ADP phosphorylation is the addition of one inorganic phosphate in the mol

What are the factors to measure such a prediction, You are interested in pl...

You are interested in plant life history evolution, you come across a population of the California poppy that i spolymorphic (mixed) for both iteroparous ans semeparous individuals

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