I think the answer is C but i am sorry if i am wrong i took this test but i am pretty sure it is C have a good day and good luck on the test
Explanation:
The reactions of the Calvin cycle add carbon (from carbon dioxide in the atmosphere) to a simple five-carbon molecule called RuBP. These reactions use chemical energy from NADPH and ATP that were produced in the light reactions. The final product of the Calvin cycle is glucose.
B) the ability to work top down bottom up
B it the answer Fasho
A, the power lines are what actually conducts (Or moves) the power.
hope this helps don't forget to make me the brainiest