The main source of the carbon used in photosynthesis is: a. plant and animal matter b. carbonate rock c. root nodules d. carbon dioxide 22.
(the carbon; used; L:in photosynthesis) (The main source of the carbon; is; a. plant and animal matter b. carbonate rock c. root nodules)
the carbon The main source of the carbon
used is
L:in photosynthesis
a. plant and animal matter b. carbonate rock c. root nodules