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Smog (Grade 8)

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Smog is an air pollutant.
  1. True
  2. False
The smog is Mexico City was at one point about equivalent to smoking two packs of cigarettes a day.
  1. True
  2. False
The thick, brownish haze formed when certain gases in the air react with sunlight is known as
  1. the ozone layer.
  2. photochemical smog.
  3. a temperature inversion.
  4. the greenhouse effect.
Another name for smog is                       .
  1. global warming
  2. chlorofluorocarbon
  3. ground-level ozone
  4. high atmospheric ozone
Which of the following reduced local smog but increased acid rain?
  1. tall smokestacks
  2. catalytic converters
  3. wind power
  4. scrubbers
What is the primary cause of the smog build up in Los Angeles?
  1. motor vehicles
  2. oil refineries
  3. utility plants
  4. homes
By which exposure route does smog most negatively affect a person’s body?
  1. eating
  2. drinking
  3. breathing
  4. skin contact
During which season are smog concentrations generally greatest?
  1. spring
  2. summer
  3. autumn
  4. winter
Which of the actions below is something we can do that will most directly reduce smog concentrations?
  1. drink bottled water
  2. compost organic waste
  3. use public transportation
  4. recycle plastic containers
The Air Quality Index indicates air pollution levels as shown below:

0 - 50 Good
51 - 100 Moderate
101 - 150 Unhealthy for Sensitive Groups
151 - 200 Unhealthy
201 - 300 Very Unhealthy

The weather report states an air quality index of 110. Which recommendation would be best for children with asthma on this day?
  1. play outside as long as they want
  2. limit the amount of time they are outside
  3. do not go outside under any circumstances
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