Author Question: What happens after many generations of the star-gas-star cycle? A) The heavy element abundance ... (Read 20 times)

mmm · **on:** Jul 27, 2018

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