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NAn Jimenez

on 2 October 2013

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POLLUTANTS are substance that cause pollution and can get into our water supply in thousand of different forms. these includes dust, soil run-off from mines, effluents from factories,industrial emissions, industrial wastes, oil spills, and others that cause primary damage with direct identifiable impact on the environment or secondary damage in the form of minor perturbations in the delicate balance of nature.
Biologists define POLLUTION as the undesirable change in the physical, chemical, or biological characteristics of an ecosystem that injures or kills living organism and make part of ecosystem ( water, air, and land ) in concentrations higher than natural.
Gaseous Components of Dry Air
Pure Air Components Concentration Percent ( By volume )

Nitrogen (N) 780,900 78.90%
Oxygen (O) 209,400 20.94%
Insert gases
argon (Ar) 9,300 0.93%
Neon (Ne) 18
Helium (He) 5
krypton (Kr) 1
Xenon (Xe) 315 0.02%
Carbon dioxide (Co)
Methane (CH)
Hydrogen (H) 0.5
Natural Pollutants
Nitrogen oxides 0.52
Ozone (O)-produced by Solar
Radiation and lightning

Environmental pollution defined
1. Environmental Pollution
never before our world been faced with so many environmental problems, because never before has there been such a large global population.
is the addition to the natural environment of any substance or energy ( e.g heat,sound ) at a rate that result in higher than natural concentrations of that substance.
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