Question

what is the process where rocks, gas, and dust collided to form the planets in our solar system, including earth?

accretion

photodissociation

outgassing

vaporization

Explanation:

Accretion is the process where rocks, gas, and dust collide and accumulate to form larger bodies like planets. Photodissociation is the breaking apart of molecules by light. Outgassing is the release of gases from a planet's interior. Vaporization is the change from liquid to gas.

Answer:

accretion