What happens after many generations of the star-gas-star cycle? ...

[mmm]

What happens after many generations of the star-gas-star cycle?
 
  A) The heavy element abundance decreases; the amount of gas increases.
  B) The heavy element abundance increases; the amount of gas decreases.
  C) The heavy element abundance increases; the amount of gas stays the same.
  D) The amount of gas and heavy elements stay the same: it's a cycle.
  E) The heavy element abundance stays the same; the amount of gas decreases.
  F) The heavy element abundance increases; the amount of gas increases.

Question 2

The jovian planets in our solar system are ________.
 
  A) Jupiter, Saturn, Uranus, and Neptune B) Mercury, Venus, Earth, and Mars
  C) Io, Europa, Ganymede, and Callisto D) Pluto and Eris

[moormoney]

Answer to Question 1

B

Answer to Question 2

A

[mmm]

Excellent

[matt95]

Gracias!