Environmental Ecology- Air Pollution
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Nitrogen Oxide (NO) | N2+O2---(combustion in cars)---> NO
Very reactive
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Nitrogen Dioxide (NO2) | NO+O2---->NO2
NO2 reacts with water vapor in air to produce Nitric acid (HNO3)= Acid Rain
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NOX | Variable- cause respiratory problems like irritants to eyes & nose
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Nitrous Oxide (N20) | Greenhouse gas
Natural source- animal waste
Human source- Fertilizers, burning of fossil fuels
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Sulfur Dioxide (SO2) | Primary source- coal burning, oil refineries
SO2+H2O-->H2SO4 (Sulfuric acid)= Acid Rain
Highly Reactive
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Particulates | Suspended particulate matter (SPM)
<10 Micromiters in size = 1/10,000 M
60% natural sources (Dust, Forest Fires)
40% human sources (Ag, Construction, Tobacco Smoke, exhaust)
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Results of SPM | Irrations of eyes, nose, throat, responsible for genetic mutations (cancer), nervous system damage
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Photochemical Ozone | O3(Chemicals)- smog
Respiratory Problems, Lung and Heart Disease, Irritations
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VOC'S | Volatile Organic Compounds
Fumes/Ignitable
1/3 Natural Sources- Swamp gas-methine CH4
2/3 Human Sources- Oil/gas wells, gasoline, crude oil
"Flaring"
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Radon Gas | Natural radioactive gas (RN)
Has the ability to seep into cracks in houses
Known producer of lung cancer
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Smog | (Photochemical Response)
Chemicals suspended in the air that hits sun light and produces haze like
Human Sources- Cars
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Industry Smog | Gray like appearance called gray air smog, induced by industry
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Brown Air Smog | VOC's from cars+NO2+UV+photochemical ozone+heat--->SMOG
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Acid Deposition | 1. Sulfuric Acid (H2SO4)
2. Nitric Acid (HNO3)
Comes down as acid rain/snow/dust
PH Range <5.6
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Harmful Effects of Acid Deposition | 1. Respiratory Problems
2. Leaching
3. Damage to Physical Structures
4. Wildlife Damage- direct impact of food chain
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Leaching | Chemical removal process that leaches out toxic metals out of the ground like lead and mercury, and can leach out plant nutrients
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Pollution from Air Pollution | 1. Nasal Hairs (filters pollutants)
2. Upper Respiratory Track- lining coated with mucous and cilia-small hairs. (sneezing & coughing)
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