Select the correct answer. which fact represents evidence for the big bang theory? a. every object located in the universe emits radiation. b. the mass that makes up the universe consists of 25% helium. c. the sun around which earth revolves is not the biggest star in the universe. d. human eyes cannot perceive all forms of electromagnetic radiation.

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action