The material in Earth's inner core is ____________________, while ...

[neverstopbelieb]

The material in Earth's inner core is ___________________ _, while the outer core is
  ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

The scientific theory for the origin of our solar system, involving the condensation and collapse of
  interstellar material in a spiral arm of the Milky Way galaxy, is the ___________________ _ theory. Fill in the blank(s) with the appropriate word(s).

[lkanara2]

Answer to Question 1

solid, liquid

Answer to Question 2

solar nebula

[neverstopbelieb]

Great answer, keep it coming

[bigcheese9]

Thanks for the timely response, appreciate it