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Cards In This Set
| Front | Back |
|
Miles above earth is ozone
|
12-25
|
|
Atom destroys MOST
|
Chlorine
|
|
Destroys LEAST
|
Hydrogen
|
|
Ozone formed
|
1 billion
|
|
CFCs developed
|
1930s
|
|
Y represents
|
UVB
|
|
NOT halogen atom
|
Hydrogen
|
|
CFCs used in
|
Foams
|
|
NOT greenhouse gas
|
Oxygen
|
|
Hole observed in
|
1980s
|
|
CFCs used in
|
All of the above
|
|
Which UV destroys most
|
UVB
|
|
Greenhouse highest atmosphere
|
Water vapor
|
|
60% CFC 12
|
116yrs
|
|
60% CFC 11
|
55 years
|
