Which factor is essential to the initial formation of galaxies, for either of the theories describing galaxy evolution?(1 point) Responses Small lumps of material merge into larger clumps. Small lumps of material merge into larger clumps. Massive gas and dust clouds collapse. Massive gas and dust clouds collapse. The force of orbiting stars generates collisions. The force of orbiting stars generates collisions. Gravity acts on existing material, shaping it into a new form. Gravity acts on existing material, shaping it into a new form.

Answer 1

Massive gas and dust clouds collapse.