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5 Written Questions

5 Matching Questions

  1. photochemical smog
  2. Radon
  3. Clean air act of 1970 &1990
  4. troposphere
  5. ozone layer
  1. a 1970- legislation set stricter standards for air quality, imposed limits on emissions from new stationary and mobile sources etc.
    1990- sought to strengthen regulations pertaining to air quality standards, auto emissins, toxic air pollution etc.
  2. b A highly toxic, radioactive, colorless gas that seeps up from the ground in areas with certin types of bedrock and can build up inside basements and homes with poor air circulation
  3. c the bottomost layer, blankets earths surface and provides us the air we need to live
  4. d A portion of the stratosphere, roughly 17-30 km above sea level, that contains most of the ozone in the atmosphere
  5. e is formed through light-driven chemical reactions of primary pollutants and normal atmospheric compounds that produce a mix of over100 different chemicals.

5 Multiple Choice Questions

  1. carbon-containing chemical used in a =nd emitted by vehicle engines and a wide cariety of solvents and industrial processes, as well as by many household chemical and consumer items.
  2. Air moves toward the low atmospheric pressure at the center of the system and spirals upward
  3. The bounsry along which a mass of warmer, moister air replaces a mass of colder, drier air.
  4. pollutants emitted into the troposphere in a from that can be directly harmful or that can react to form harmful substances
  5. The settling of acidic or acid-forming pollutants from the atmosphere onto earth's surface.

5 True/False Questions

  1. nitrogen dioxidea colorless gas, has a pungent odor. Usually results from combustion of coal.


  2. Coriolis effectThe apparent deflection of north-south air currents to a partly east-west direction, caused by the faster spin if regions near the equator than of regions near the poles as a result of earth's rotation


  3. secondary pollutantsHarmful substances produced when primary pollutants interact or react with contituents of the atmosphere


  4. Particulate matterThe pattern of atmospheric conditions found accross large geoographic regions over long periods of time


  5. Weathera heavy metal that enters the atmosphere as a particular pollutant. Help improve engim=nge preformance.


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