Question

question 9 of 10 match each theory of planet formation to its best description. core accretion theory gravitational instability theory gas and dust sticks to itself and collapses a core of rock and ice attracts gases

Explanation:

The core - accretion theory posits that a core of rock and ice attracts gases. The gravitational - instability theory states that gas and dust stick to itself and collapses.

Answer:

core accretion theory: a core of rock and ice attracts gases
gravitational instability theory: gas and dust sticks to itself and collapses