What was the frost line of the solar system? A) the distance ...

[Frost2351]

What was the frost line of the solar system?
 
  A) the distance from the Sun where temperatures were low enough for metals to condense, between the Sun and the present-day orbit of Mercury
  B) the distance from the Sun where temperatures were low enough for rocks to condense, between the present-day orbits of Mercury and Venus
  C) the distance from the Sun where temperatures were low enough for hydrogen compounds to condense into ices, between the present-day orbits of Mars and Jupiter
  D) the distance from the Sun where temperatures were low enough for asteroids to form, between the present-day orbits of Venus and Earth
  E) the distance from the Sun where temperatures were low enough for hydrogen and helium to condense, between the present-day orbits of Jupiter and Saturn

Question 2

There is very little interstellar gas or dust in most elliptical galaxies.
 
  Indicate whether the statement is true or false

[krakiolit]

Answer to Question 1

C

Answer to Question 2

TRUE