Question

match each item to its best description. solar nebula ? a shapeless cloud of gas and dust solar system ? a flat, spinning cloud of gas and dust accretion disk ? contains stars and planets

Explanation:

A solar nebula is a flat, spinning cloud of gas and dust from which a solar - system forms. A solar system contains stars and planets. An accretion disk is a shapeless cloud of gas and dust that accumulates around a celestial object.

Answer:

solar nebula - a flat, spinning cloud of gas and dust
solar system - contains stars and planets
accretion disk - a shapeless cloud of gas and dust