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C. The Greenhouse Effect:
1. How are
the following greenhouse gases produced?
a) Water Vapour
b) Carbon Dioxide
c) Ozone
d) Methane
e) Nitrous Oxides
f) CFC�s (Chlorofluorocarbons)
2. When is ozone dangerous? When is
it important?
3. What is the biggest cause of ozone
depletion?
4. Where is the largest ozone hole located?
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