C. all steps need light
without light there is no way that phtotsynthesis will work because it needs light to be activated
The answer is; C & D
These wind currents rise and sink slowly because of they blow predominantly over oceans. Water has a high heat capacity hence heats up and cools slowly compared to land. Therefore, there also share heat with the atmosphere slowly hence the air masses above will not gain or lose heat as fast as air masses on land.
Glucose is oxidized into CO2. Energy released used to make ATP.
Hope that helps, Good luck! (: