Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible? A.Stars never really die. B.The death is a black dwarf star. This type of death triggers the birth of a new star. C.The death is a red giant. This type of death emits red energy that forms a new star. D.The death is a supernova. This type of death can produce nebular clouds and trigger the birth of a new star.