The Density of Comet Halley Was Found to Be About

Multiple Choice

The density of Comet Halley was found to be about 0.2 g/cm3. This implies that Comet Halley

A) is composed of about 50% rock and 50% frozen water and methane.
B) is loosely packed ices with a small amount of rocky material.
C) formed in the inner solar system and was ejected by Jupiter to the Kuiper belt.
D) is really an S-type asteroid.
E) was once a moon of Neptune and was ripped away by a large impact.