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

Need help, Many endangered plant species are currently being propagated by ...

Many endangered plant species are currently being propagated by commercial growers and botanical gardens and the sold (as both plants and seeds) to government agencies. Conservatio

How many cellular nuclei does the pollen tube of angiosperms, Q. How many c...

Q. How many cellular nuclei does the pollen tube of angiosperms have? What is ploidy of each of these nuclei? The pollen tube explicitly the mature male gametophyte of angiospe

What are the result of arterial switch operation, What are the result of Ar...

What are the result of Arterial Switch operation ? The operation is highly specialised. When carried out in experienced centers the mortality for simple TGA and TGA with VSD i

Hypnotic or anxiolytic intoxication and withdrawal, Barbiturate, Sedative, ...

Barbiturate, Sedative, Hypnotic or Anxiolytic Intoxication and Withdrawal: This Emergencies related  to  substance abuse may be acute  or chronic. The patient may come  to  th

Define resistant starch from the physiological perspective, Define Resistan...

Define Resistant Starch From the physiological perspective? RS is defined as the sum of starch and products of starch degradation not absorbed in the small intestine of healthy

Diversty of living organisms, write down the division of cryptogamae and p...

write down the division of cryptogamae and phanerogamae

What are the types of muscle tissues, What are the types of muscle tissues?...

What are the types of muscle tissues? What are the morphological features that differentiate those types? There are three kinds of muscle tissue: the skeletal striated muscle t

Lan in hospitals, LAN LAN stands for Local Area Network. This kind of ...

LAN LAN stands for Local Area Network. This kind of network consists of a set of interconnected computers that are not geographically spread out over a large area. For exa

What is the excitation threshold of a neuron, What is the excitation thresh...

What is the excitation threshold of a neuron? How does this threshold relate to the "all-or-nothing" rule of the neural transmission? The excitation threshold of a neuron is th

What nerve is being compressed, what major nerve do you think is being comp...

what major nerve do you think is being compressed when a person often feel pain in the posterior surface of the thigh radiating to the area behind the knee and where is the likely

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