What begins the process of solar system formation?
O
A. An accretion disk spins and increases in temperature.
O
B. A nebula is spread apart by antigravity.
O
C. Gas and dust in a nebula is disturbed by an outside force.
O
D. Gravity pulls matter in close together.
SUBM

C - gas and dust in a nebula is disturbed by an outside forces.

Explanation:

Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas called solar nebula.

The cloud of interstellar gas and dust consist of 98% hydrogen and helium and it also includes atoms and dust particles of larger materials.

d we did this already

density and pressure