PLEASE HELP choose all that apply

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.

What is the difference between how ionic and covalent bonds form

If your blood becomes too concentrated with iona, what will happen to the red blood cells