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6 Written questions

6 Multiple choice questions

  1. 15 years later
    Roland and Molina finally convince politicians to slowly phase out CFCs
  2. 1. At the poles
    2. Austrilla
    3. New Zealand
    4. South Africa
  3. 1. Coolants in air conditions and refrigerators
    2. Propellants in aerosol spray cans
    3. Cleaner for electrical parts
    4. Statilant in hospitals
    5. Fumigants
    6. Bubbies in Foam
  4. 1. Cut fossil fuel use
    - uses e more efficiently
    - use natual gas
    - uses 1/2 as much CO2 as burning of coal to generate electricity
    2. Improve energy efficiency
    3. Shift to renewable energy sources
    - solar
    - wind
    - water
    4. Reduce deforestation
    - Absorb CO2 that we put in the atmosphere
    - Each person would need to plant 1,000 trees a year
    5. Use sustainable agriculture
    - use organic fertilizers
    - soil and water conservation
    - Planting a variety of crops in a large area
    6. Slow population growth
  5. Temperature increases with altitude
    Absorbs short wave radiation
    Nitrogen and oxygen atoms absorb solar energy
  6. Nobel prize in chemistry is won by Roland and Molina

5 True/False questions

  1. MesosphereTemperature decreases with altitude

          

  2. 1974CFCs were $28 billion per year industry
    - Scientist Roland and Molina asked for a ban

          

  3. Green House Effectgood
    different elements in the atmosphere such as H2O vapor, CO2, CH4, N2O, CFC5 hold solar radiation in the form of heat in our atmosphere

          

  4. Effects- Glacial Melting
    - Flooding of Coasts
    - Changes in climate( change in crops and soils are not appropriate in other regions)
    - Atmosphere Changes ( More hurricanes and storms)

          

  5. Effects1. The amount of CO2 in the atmosphere is increasing by .4% per year
    2. The net effect would be an increase in the global temperature of about 2 degrees Celsius by 2100
    3. Gasses leading to global warming
    - Methane
    - Chlorofluorocarbons
    - Nitrous Oxide