The carbon cycle of the earth is when CO2 acts as a trigger for potent greenhouse gases, it does this by heating the atmosphere a little allowing it to retain moisture, and this makes the atmosphere even warmer. Carbon sinks are the places where carbon goes when it leaves the atmosphere, humans, animals, sediment, and our oceans are carbon sinks. The ocean cleans 20% of all carbon that has been emitted by humans; scientists believe that a change is its circulation brought about by climate change will decrease its effectiveness.

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The carbon cycle of the earth is start when CO2 action... View the full answer