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6 Written questions

6 Multiple choice questions

  1. 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
  2. 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
  3. Nobel prize in chemistry is won by Roland and Molina
  4. 15 years later
    Roland and Molina finally convince politicians to slowly phase out CFCs
  5. Temperature increases with altitude
    Absorbs short wave radiation
    Nitrogen and oxygen atoms absorb solar energy
  6. bad
    increase in average global temperature

5 True/False questions

  1. TroposphereThe 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

          

  2. 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

          

  3. Where are ozone layers the thinnest1. At the poles
    2. Austrilla
    3. New Zealand
    4. South Africa

          

  4. Ways to Reduce CO21. 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. MesosphereTemperature decreases with altitude