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DSST Env.Sci. Chp. 6

vocab. for DSST Env.Sci. from Environmental Science by Karen Arms

QuestionAnswer
acid precipitation highly acidic rain, sleet, or snow that results from the release of oxides of sulfur and nitrogen into the air from burning fossil fuels
acid shock sudden influx of acidic water caused by melting acidic snows that rush into lakes and streams, killing large numbers of fish and amphibians and affecting the offspring of others
air pollution condition in which the air contains substances harmful to living things
asbestos mineral that separates into long, threadlike fibers; frequently used for insulation
bronchial asthma chronic disorder of the bronchial tubes characterized by wheezing and difficulty in breathing
catalytic converter device attached to the exhaust system of automobiles to clean exhaust gases before they leave the car
chronic bronchitis recurring inflammation of the mucous lining of the bronchial tubes
Clean Air Act act passed by U.S. Congress that gave the EPA authority to regulate automobile emissions
emphysema swelling of the lung tissue due to the permanent loss of elasticity or destruction of the alveoli
hydrocarbon compound, such as methane, that is composed of hydrogen and carbon and vaporizes at normal temperatures
particulate very small, separate particles, as in soot and ash
pH number measure of the acidity or basicity of a substance
primary pollutant pollutant put directly into the air by human activity, such as soot from smoke
radon gas gas produced naturally in the Earth by the decay of uranium
secondary pollutant pollutant that forms when a primary pollutant or a naturally occurring substance, such as water, comes into contact with other primary pollutants and a chemical reaction takes place
sick-building syndrome condition of buildings with particularly poor air quality; frequently caused by sealed windows and poor air circulation
smog air pollution over urban areas that reduces visibility; combination of the words smoke and fog
thermal inversion atmospheric condition in which the air above is warmer than the air below, sometimes trapping pollutants near the Earth’s surface
V0Cs (volatile organic compounds) chemical compounds that form toxic fumes
Created by: pinetreeacademy
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