Marta is running. Sam is sitting in a chair. Suggest two things that Marta will need more of than Sam.
nicotine
oxygen
glucose
energy
carbon dioxide

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.