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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. CFCs were $28 billion per year industry
    - Scientist Roland and Molina asked for a ban
  3. - 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)
  4. 1. 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
  5. 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
  6. bad
    increase in average global temperature

5 True/False questions

  1. Green House EffectTemperature increases with altitude
    Absorbs short wave radiation
    Nitrogen and oxygen atoms absorb solar energy


  2. 198915 years later
    Roland and Molina finally convince politicians to slowly phase out CFCs


  3. 199515 years later
    Roland and Molina finally convince politicians to slowly phase out CFCs


  4. StratosphereThe global sunscreen
    Ozone Layer
    1. Ozone is produced when oxygen molecules interact with lightning and UV radiation from the sun
    2. Keeps 99% of the suns harmful UV radiation from reaching Earths surface
    3. Helps protect human skin cancer, cateracts, sun burns, and damage to the immune system
    4. Protects plants and animals and prevents O2 from changing to O3


  5. 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