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6. Fog is more common in ...... areas because of the increase in .......

  • Urban , Condensation
  • Urban , Condensation Nuclei
  • Rural , Precipitation
  • Rural , Photochecmical Smog

7. ....... Levels are lower in the cities

  • Pressure
  • Humidity
  • Precipitation
  • Wind

8. Describe Radiation Fog

  • Radiation Fog is where cold air from valley bottoms come in contact with warm air from the suns radiation. Condensation occurs when the cold and hot air meet. The topography causes the fog to hang over the valley/ low lying area
  • Radiation Fog is where warm air from valley tops come in contact with warm air from the suns radiation. Condensation occurs when the cold and hot air meet. The terrain causes the fog to hang over the valley/ low lying area

9. Describe Photochemical Smog

  • Photochemical Smog is toxic fumes and air pollutants held at ground level due to high pressure
  • Photochemical Smog is toxic fumes and air pollutants held above the city due to buildings
  • Photochemical Fog is air pollutants held in orbit due to windy conditions