What are the reactants of celluar respiration

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.