which object is created during the formation of a star?\n○ a nebula\n○ a protostar\n○ a supergiant\n○ a…

which object is created during the formation of a star?\n○ a nebula\n○ a protostar\n○ a supergiant\n○ a supernova
Answer
Brief Explanations:
Stars form from the gravitational collapse of a nebula. During this process, a protostar is created as the mass in the center of the collapsing material heats up but has not yet started nuclear - fusion. A supergiant is a late - stage massive star, and a supernova is an explosive end - stage of a massive star.
Answer:
B. a protostar