What is the main function of a protein within the body? select one: a. protein holds our skin, tendons, muscles, and bones together b. protein promotes energy and digestion c. protein stores energy, insulate us and protect our vital organs

Which statements identify what astronomers currently know and think will happen with our universe? check all that apply. the big bang produced dark energy, which accounts for some of the energy needed to expand the universe. the vastness of space may contain a type of matter known as "dark matter." the universe is currently shrinking at a rapid rate. the universe is currently expanding at an accelerating rate. the big bang theory explains all the energy and matter discovered by scientists.