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Air Pollution

Pollution of the atmosphere; air pollution reduced the visibility.An abiotic Factor, air Pollution is any substance that has a negative effect on living organisms in the environment, such as excessive concentrations of co2 that can result in global warming, thus changing temperature which is a factor in many biological processes.

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Re: Passive smoking

... smoke has more than 400 chemicals in it, and cigarette smoking creates air pollution in the form of passive smoking. Passive smoking is considered a preventable cause ...

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by Makyhg
Wed Nov 16, 2011 8:16 am
Forum: Human Biology
Topic: Passive smoking
Replies: 18
Views: 13841

Re: evolution debate

... explainations BTW.) What nitwhit decided to have the paths for air into the lungs cross the path for food and water into the stomache? Serious ... brought about by our deteriorating dietary habits and general pollution levels on earth, food additives and GMO proven carcinogenic. If ...

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by Zenithar66
Mon Apr 04, 2011 7:10 pm
Forum: Evolution
Topic: evolution debate
Replies: 63
Views: 41634

Re: Human Inferiority

... 100 homicides per year, per 100,000 people. Today it is down to just 1. Pollution is getting less as we learn. Europe and the USA had terrible air and water pollution 100 years ago. Today we breath much cleaner air and our rivers are ...

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by skeptic
Mon Mar 21, 2011 5:00 am
Forum: Human Biology
Topic: Human Inferiority
Replies: 20
Views: 11295

Common Organisms as Biomarkers and Bioindicators

Many species of lichen are very sensitive to air pollution, and are used as kind of bioindicators at least in the northern parts of the globe. In industrial ...

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by biohazard
Mon May 31, 2010 6:43 am
Forum: General Discussion
Topic: Common Organisms as Biomarkers and Bioindicators
Replies: 2
Views: 2295

Can Genetic Variation Revert Back?

... light-coloured insects become dark-coloured ones due to soot and air pollution darkening the surfaces of their environment) disappear when the air quality increases, ...

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by biohazard
Thu Jan 07, 2010 7:40 am
Forum: Evolution
Topic: Can Genetic Variation Revert Back?
Replies: 14
Views: 10062
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