Question

what is accretion? the process of stars pulled together to form a galaxy the process of fusion creating stars the process by which matter breaks apart the process by which planets form

Explanation:

Accretion is the process by which small particles in space come together through gravitational - attraction to form larger bodies, and this is how planets form. It is not about stars forming a galaxy, star - formation by fusion, or matter breaking apart.

Answer:

the process by which planets form