carbon cycle?

Question

Long-term inorganic carbon cycle
Describe with a sketch or flow chart and a few sentences of explanation how the carbonate-silicate cycle works. For which of the following time intervals is the carbonate- silicate cycle important?

Past 3 billion years
Past 100 million years
Past million years
Past 20,000 years
Past 2,000 years
For each of the intervals that you mention, briefly describe how this cycle is believed to have influenced the temperature of the earth.

Answer 1

http://www.carleton.edu/departments/geol/DaveSTELLA/Carbon/c_cycle_processes.htm This site explains everything just read

Answer 2

which do you think is most important to the overall health of the biosphere? and why? Carbon Cycle in the atmosphere affects the absorption and reflection of ultraviolet lights.The Co2 in ppm will affect global temperatures