Which activity occurs during the process of photosynthesis?
a. the sun's energy from organic molecules is converted into light energy.
b. organic molecules are absorbed from the environment.
c. organic molecules are converted into organic food molecules.
d. carbon dioxide is taken in by plants to make sugars from carbon.

Answer - D. Carbon dioxide is taken in by plants to make surger from carbon.

Reasoning - What occurs during a photosynthetic stage of a plant is it takes in H20, CO2 and especially sunlight to make (Food). Without Carbon which is basic yet essential can make a difference in the living organisms. So yes carbon needs to be taken.