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6 Written questions

6 Multiple choice questions

  1. 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
  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. 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
  5. 1. 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
  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. Global Warming1. It would cost about $27 trillion for the US to lower CO2 emissions by 70% in the next 40 years
    - Would save industry $5 trillion
    2. Net savings $2.3 trillion

          

  2. TroposphereFirst 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

          

  3. 1974CFCs were $28 billion per year industry
    - Scientist Roland and Molina asked for a ban

          

  4. 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

          

  5. 1995Nobel prize in chemistry is won by Roland and Molina

          

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