Which of the following are unusual about Uranus?
A. Its orbit sometimes takes it closer to the Sun than Mars.
B. Its axis of rotation, orientation of rings, and orbits of its moons are perpendicular to those of every other planet in the solar system.
C. It has been reclassified as a dwarf planet.
D. Ice on its surface has an unusual bluish-green color.
E. None of these choices are correct.
Answer: B
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