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| Description: (b) The amount of carbon dioxide in our atmosphere since 1000 A.D. has been determined. The increase in carbon dioxide since 1800 due to burning fossil fuels and decreases in forestation have caused a dramatic temperature increase. Picture Stats: Views: 794 Filesize: 239.61kB Height: 856 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=15961 |