which event takes place first in the stages before the birth of a star?\ngravity pulls gas and dust…

which event takes place first in the stages before the birth of a star?\ngravity pulls gas and dust together.\na protostar forms as mass increases.\nnuclear fusion begins under high pressure.\na protostar collapses and becomes denser.
Answer
Answer:
Gravity pulls gas and dust together.
Brief Explanation:
The formation of a star starts when gravity causes gas and dust in a nebula to clump together. This is the initial step before a protostar forms, nuclear - fusion begins, or a protostar collapses further.