20. what are three common clues that a chemical change has occurred?

The model illustrates a process by which a substance is taken up by a cell

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Me with these questions image attached