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Ch12 Enviro Sci
Question | Answer |
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air pollution | The contamination of the atmosphere by the introduction of pollutants from human and natural sources |
asbestos | Any of six silicate minerals that form bundles of minute fibers that are heat resistant, flexible, and durable |
acid precipitation | precipitation, such as rain, sleet, or snow, that contains a high concentration of acids, often because of the pollution of the atmosphere |
acid shock | The sudden runoff of large amounts of highly acidic water into lakes and streams when snow melts in the spring or when heavy rains follow a drought |
decibel (dB) | The most common unit used to measure loudness |
primary pollitant | a pollutant that is put directly into the atmosphere by human or natural activity |
pH | A value that is used to express the acidity or alkalinity of a system; each whole number on the scale indicates a tenfold change in acidity; a pH of 7 is neutral, a pH of less than 7 is acidic, and a pH of greater than 7 is basic |
secondary pollutant | A pollution that forms in the atmosphere by chemical reaction with primary air pollutants, natural components in the air,m or both |
sick-building syndrome | A set of symptoms, such as headache, fatigue, eye irritation, and dizziness, that may affect workers in modern, airtight office buildings; believed to be caused by indoor pollutants |
smog | Urban air pollution composed of a mixture of smoke and fog produced from industrial pollutants and burning fuels |
temperature inversion | The atmospheric condition in which warm air traps cooler air near Earth's surface |