References

There is a ridiculous amount of information on the internet for this unit. I ultimately ended up creating my own materials for this but reviewed a lot of it through various sources.

Links

https://en.wikipedia.org/wiki/Feedback#Positive_and_negative_feedback

https://en.wikipedia.org/wiki/Carbon_cycle

http://www.esrl.noaa.gov/gmd/ccgg/index.html

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