Question

What are the different forms that carbon takes on earth?

Answer 1

http://teeic.indianaffairs.gov/images/photos/CarbonCycleDiagram.jpg

Answer 2

@sadie_weber Here is another great resource and picture that can help you understand this better: http://chemistry.about.com/od/geochemistry/ss/carboncycle.htm

Answer 3

http://environ.andrew.cmu.edu/m3/s4/cycleCarbon.shtml
this is a good site that I found about carbon.