Uranus and Neptune do not contain liquid metallic hydrogen because they

Uranus and Neptune do not contain liquid metallic hydrogen because they
 
  a. are not massive enough.
  b. do not contain enough hydrogen.
  c. rotate too slowly.
  d. are too far from the Sun.
  e. have magnetic fields that are much too weak.

Question 2

Which of these are nearly 90 degrees to the orbit plane of Uranus?
 
  a. Uranus' equator
  b. the orbital planes of its major satellites
  c. the orbital plane of its rings
  d. Uranus' equator, the orbital planes of its major satellites, and the orbital plane of its rings.

Question 3

The rotation of Uranus is peculiar in that
 
  a. it is very slow, nearly zero.
  b. it is much faster than is typical for Jovian planets.
  c. it first turns in one direction, then stops and turns in the opposite direction.
  d. the axis is nearly parallel to the plane of its orbit.

Question 4

The atmosphere of ____________ contains mostly nitrogen with some methane.
 
  a. Jupiter
  b. Earth's Moon
  c. Callisto
  d. Titan
  e. Miranda

Question 5

In what way is the rocky material of Jupiter's core different from the rocks found on Earth?
 
  a. It is much cooler because Jupiter is further from the Sun.
  b. It contains more liquid water.
  c. It is much hotter and denser because of the extreme pressure at the core of Jupiter.
  d. It is not composed of iron and nickel because this material will float of the surface.
  e. It is composed entirely of ices that have frozen into a large rock-like structure.