Which of these describes a polymer? A. large molecule made of smaller subunits
b. molecule with a polar head and nonpolar tails
C. a molecule that catalyzes a reaction in living organism
D. a molecule composed of hydrogen, carbon, and oxygen

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

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.

What are the ingredients of oobleck?