Dust Is an Important Part of the Nebular Theory of Solar

Multiple Choice

Dust is an important part of the nebular theory of solar system formation because dust isneeded to explain:

A) how the inner planets came to be rocky bodies.
B) how the outer planets came to be gaseous bodies.
C) how the initial cloud cooled enough to collapse.
D) how the initial cloud heated as it contracted.
E) why the icy bodies are located so far from the Sun.