Hai my friend.
now i can give you all a few definition of air pollution which i get from reference book for our project...if you all have any idea about the definition of air pollution please post in our blog....
DEFINITION OF AIR POLLUTION
Air pollution is defined as the presence in the outdoor atmosphere of one or more contaminants ( pollutants ) in quantities and duration that can injure human, plants or animal life or property ( materials ) or which unreasonably interfere with the enjoyment of life or the conduct of business.
( David H.F. Liu, Bela G. Liptak : 2000)
In other meaning, air pollution is defined the presence in the air of any abnormal material or property that reduces the usefulness of the air resources.
( Joe O. Ledbetter )
On the other hand, air pollution also as defined as the presence in the outdoor atmosphere of one or more contaminants such as dust, fumes, gaseous, mist, odor, smoke or vapor in quantities of characteristic and of duration such as to be injurious to human, plants or animal life or to property or which unreasonably interfere with the comfortable enjoyment of life and property.
( Henry C. Perkins : 1974 )
Beside that, air pollution also mean the presence in the atmosphere of solid particles, liquid droplets or gaseous compounds which are not normally present or which are present in a concentration substantially greater than normal.
( Martin Crawford )
30 comments:
CONGRATULATION BECAUSE YOU FOUND ABOUT 4 BOOK AS OUR REFERENCES. WE ONLY FOUND OUR POINT FROM THE INTERNET. THE DEFINITION THAT YOU WROTE IS QUITE GOOD I THINK. I THINK IF YOU GIVE SOME EXAMPLES IT CAN MAKE IT MORE BETTER.
FOR EXAMPLES, YOU PUT THE INFORMATION ABOUT WHICH COUNTRY HAVE THE HIGHER AMOUNT OR PERCENTAGE OF AIR POLLUTION SUCH AS CHINA.
NORSHIZREEN BINTI MORSHIDI
A118090
wah good bai. u can give many defenition about air pollution. so i know many defenition now..
ikin.........
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