Which event takes place first in the stages before the birth of a star? gravity pulls gas and dust together. a protostar forms as mass increases. nuclear fusion begins under high pressure. a protostar collapses and becomes denser.

(A) Gravity pulls gas and dust together.

Explanation:

Gravity pulls gas and dust together.

Explanation:

nebula (as the first stage is called): the first stage before the birth of star is seen by a slow rotating, clouds of cold gas and dust. the nebula condenses into a huge globule of gas and dust which shrink under its own gravity

hope this !

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.