Compléter Carbon Cycle Fill inVersion en ligne Science par Wally Mason 1 1 . is the fourth most common element in the universe 2 . Its the building block for all , every single cell contains some carbon 3 . Carbon is also found in : rocks , seawater , mantle , air 4 . Animals add carbon dioxide to the atmosphere when they breathe . . or use . 5 . Plants soak up carbon dioxide during . Storing carbon in their cells . 6 . Plants are known as carbon because they take more carbon out than they add . 7 . The oceans soak up more carbon than they as well . 8 . When plants and animals they store carbon in the crust . 9 . When humans burn fossil fuels they release . 10 . When trees are killed they no longer soak up . 11 . Carbon dioxide is a major contributor to the effect . 12 . The greenhouse effect is the of the earth experiences due to certain gases in our atmosphere . 13 . Since the industrial revolution , carbon in the earth's atmosphere has increased by % .
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