Homework Research FRQ 2014.4

·      Homework:   What are two examples of anthropogenic activities that increase the concentration of carbon in the atmosphere?  What are two examples of an environmental problem that can result from this and what are the consequences of these problems?

·      Explain how atmospheric carbon can be changed into two oceanic sinks.  What is an example of a carbon sink, other than fossil fuels, that can store carbon for million of years?  Describe a biotic process in which carbon is removed from the atmosphere & converted to organic molecules.  Describe a biotic process where carbon is converted FROM organic molecules to a gas & returned to the atmosphere. 

·      How does the phosphorus cycle differ from the carbon cycle?  What does life on Earth use the phosphorus for?

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