The Nebular Theory of the Formation of the Solar System

Multiple Choice

The nebular theory of the formation of the solar system successfully predicts all but one of the following. Which one does the theory not predict?

A) Planets orbit around the Sun in nearly circular orbits in a flattened disk.
B) the presence of asteroids and comets
C) the equal number of terrestrial and jovian planets
D) the compositional differences between the terrestrial and jovian planets
E) the craters on the Moon