Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
What is Pollution?
|
It is the undesirable changes in the physical, chemical & biological characteristics of air, water & soil that may harmfully affect the life or create potential health hazards for any living organisms. OR . The direct or indirect change in any component of the biosphere that is harmful to the living components & in particular, undesirable for man, affecting adversely the industrial progress, cultural & natural assets or general environment
|
|
|
What is a pollutant?
|
Any substance that causes pollution. OR. Any solid, liquid or gaseous substance present in such concentration as may be or tend to be injurious to the environment
|
|
|
What are non-biodegradeable pollutants?
|
These are the materials & poisonous substances that either do not degrade or degade very slowly in nature
|
|
|
What are bio-degradeable pollutants?
|
They are the domestic wastes that can be rapidly decomposed under natural conditions
|
|
|
What is air pollution?
|
Any atmospheric condition in which certain substances are presnt in such concentration that they can produce undesirable effects on man and his environment
|
|
|
What is water pollution?
|
The addition of any substance to water or changing of water's phyical & chemical charcteristics in any, which interferes with its use for regular purposes
|
|
|
What are biolimiting elements?
|
Elements whose concentrations limit biological growth
|
