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6 Written questions

6 Multiple choice questions

  1. bad
    increase in average global temperature
  2. Nobel prize in chemistry is won by Roland and Molina
  3. 1. Takes 10-20 years to reach the stratosphere
    2. Under high UV light CFCs break down
    3. Chemical reactions occur and the CFCs combine with O3 breaking the ozone down
  4. Temperature increases with altitude
    Absorbs short wave radiation
    Nitrogen and oxygen atoms absorb solar energy
  5. 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
  6. - 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 True/False questions

  1. 1989CFCs were $28 billion per year industry
    - Scientist Roland and Molina asked for a ban


  2. Solutions1. 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


  3. StratosphereFirst layer of active and convective weather
    1. Ranges from 11 miles high above the equator to 5 miles high above the poles
    2. Composed of 78% Nitrogen, 21% Oxygen, less than 1% Argon, Carbon Dioxide
    3. Holds atmospheres mass


  4. MesosphereTemperature decreases with altitude


  5. 197415 years later
    Roland and Molina finally convince politicians to slowly phase out CFCs


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