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SlideshowReport

Sea Ice as a Feedback Mechanism

Description
The role of trace gases
Atmospheric trace gasses
Methane
Nitrous oxide
Certain chlorofluorocarbons (CFCs)
Absorb wavelengths of outgoing Earth radiation
Taken together, their warming effects may be nearly as great as carbon dioxide

Possible outcomes of altering the climate-system
Two types
Positive-feedback mechanisms reinforce the initial change
Negative-feedback mechanisms produce results that are just the opposite of the initial change and tend to offset it
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