which factor causes gas and dust to pull together during the first stage of star formation?\n density\n…

which factor causes gas and dust to pull together during the first stage of star formation?\n density\n gravity\n heat\n pressure
Answer
Brief Explanations:
Gravity is the force that attracts matter to matter. In star - formation, it causes gas and dust in a nebula to pull together. Density, heat, and pressure are results or factors in later stages rather than the initial pulling - together force.
Answer:
gravity