What is the difference between starch and glycogen

As global warming continues the ocean absorbs more of the earth's heat what term describes the ocean as a storage location for heat a) heat binb) heat sinkc) heat storaged) heat vent( answer this for me)

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?