--> DUE in class on Wednesday, February 8 at 10:30 am (please write neatly and large enough) 1. What is the importance of the carbon cycle for climate? 2. Describe the marine biological pump. What limits it? 3. Describe the carbonate weathering of rocks on land and subsequent carbonate precipitation in shells. 4. How do carbonate and silicate weathering (and subsequent re-incorporation of material into rock) differ in their impact on atmospheric carbon dioxide levels? extra credit. Why is the carbon cycle partitioned into a short and long term cycle? |