b. Name the processes labelled A, B and C in the diagram of the carbon cycle shown in Fig. 37.12.
A B
C
:Fig. 37.12
5. Explain the difference between the following pairs of terms: a. photosynthesis and respiration b. formation of fossil fuels and burning of fossil fuels c. animal nutrition and decomposition
6. a. What is a carbon source? b. What is a carbon sink?
7. Identify each of the following processes as either a carbon source or a carbon sink: a. burning of fossil fuels b. animal nutrition c. respiration d. formation of fossil fuels e. photosynthesis f. decomposition g. storage in water