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| 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 Picture Stats: Views: 261 Filesize: 1.01MB Height: 953 Width: 705 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39739 |