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Ch.18 air pollutants
Terms in this set (15)
What does the combustion of gasoline in the internal combustion engine generate?
Carbon monoxide, VOCs(volatile organic chemicals) and particulate matter
In the last 100 years what has the largest addition of carbon dioxide in the atmosphere came from?
Human combustion of fossil fuels
Of the main fossil fuels used(coal,oil, & natural gas) what produces the most CO2? Middle? Least?
Coal(most), oil(middle), natural gas (least)
Harmful effects of high levels of ozone-
Harmed crop production, forest growth, and human health
What does the substantial negative effects of surface level tropospheric ozone from this direct toxicity contrast with?
The benefits of the additional filtering of UV-B radiation that it provides
What does the majority of the anthropogenic atmospheric mercury come from?
The generation of electricity in coal fired power plants(~65-70%) followed by gold production(~10%)
When does nitrogen and oxygen atoms react to form nitrogen oxides?
Under high-pressure and temperature conditions in an engine
What forms when catalytic converters in car exhaust systems break down heavier nitrogen gasses?
Nitrogen dioxide(NO2) (30 times more potent than carbon dioxide as greenhouse gas)
What percent does NO2 make up of the gases that cause global warming?
7.2% (1/2 from catalytic vehicles)
Global winds carry air pollutants from___ and are deposited___
Cities in Eastern Asia eastward (prevailing westerlies) & on the pristine terrain in Alaska
Why does small particulate matter (PM2.5)poses more potential damage to the lungs?
It is harder to remove by Cilia beating and coughing and therefore get deeper into the lungs irritating bronchioles and alveolar membranes
At what pace does radon gas from uranium phosphate Grannite and shale deposits sweeps upward through the soil and is released outdoors in the atmosphere?
Quickly. It can enter through cracks in foundation's slab or walls
What is the best, least expensive way to remediate radon accumulation?
Properly sealing those spaces, ventilating basements and adequate ventilation in Home
Since 1985 why has more than 280 new incinerator projects have been delayed or canceled in the US?
high-costs, concern over air pollution and intense citizen opposition
What is the percentage of municipal solid waste in incinerators in England, US and Canada?
THIS SET IS OFTEN IN FOLDERS WITH...
Ch. 18 acid deposition
Ch. 18 thermal inversions
Ch.18 legislation & clean up & SMOG
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