An alternative to the core-accretion theory that explains the ...

[cookcarl]

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

[Ahnyah]

Answer to Question 1

C

Answer to Question 2

D

[cookcarl]

TYSM

[mochi09]

Thanks for the timely response, appreciate it