Test Bank For Living Physical Geography 1st Edition Gervais

1. Which is not a greenhouse gas?
   1. A)  water vapor
   2. B)  oxygen
   3. C)  methane
   4. D)  ozone
2. Which molecule does not occur naturally?
   1. A)  ozone
   2. B)  methane
   3. C)  carbon dioxide
   4. D)  CFCs and HFCs
3. Which is a natural source of carbon dioxide?
   1. A)  photosynthesis
   2. B)  volcanic activity
   3. C)  fossil fuel combustion
   4. D)  ultraviolet radiation
4. Which is an anthropogenic source of carbon dioxide?
   1. A)  photosynthesis
   2. B)  volcanoes
   3. C)  fossil fuels
   4. D)  anaerobic bacteria
5. Which is a sink for carbon dioxide?
   1. A)  photosynthesis
   2. B)  ultraviolet radiation
   3. C)  soil bacteria
   4. D)  volcanoes
6. Which is a natural methane source?
   1. A)  photosynthesis
   2. B)  volcanoes
   3. C)  fossil fuels
   4. D)  anaerobic bacteria

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7. Which is a methane sink?
   1. A)  photosynthesis
   2. B)  ultraviolet radiation
   3. C)  the oceans
   4. D)  rainfall
8. Which is a water-vapor source?
   1. A)  evaporation
   2. B)  condensation
   3. C)  ultraviolet radiation
   4. D)  rainfall
9. Which is a water-vapor sink?
   1. A)  evaporation
   2. B)  condensation
   3. C)  ultraviolet radiation
   4. D)  fossil fuels
10. Which is an ozone source?
    1. A)  photosynthesis
    2. B)  evaporation
    3. C)  ultraviolet radiation
    4. D)  aerosols