Author Question: An alternative to the core-accretion theory that explains the formation of the jovian planets is ... (Read 63 times)

cookcarl · **on:** Jul 27, 2018

An alternative to the core-accretion theory that explains the formation of the jovian planets is the:

A) differentiation theory.
B) collision theory.
C) gravitational instability theory.
D) Big Bang theory.
E) nebular contraction theory.

Question 2

Which internal heat source still generates heat within the terrestrial worlds today?

A) heat of accretion
B) heat from differentiation
C) heat from convection
D) heat from radioactive decay