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