In Order for the Disk Instability Model to Be Able

Multiple Choice

In order for the disk instability model to be able to account for the formation of the Jovian planets,

A) the rocky material would have to be confined completely to the inner part of the solar system.
B) the gas in the nebular disk would have to be at a very high temperature.
C) the gas in the nebular disk would have to be clumpy rather than smooth.
D) the gas in the nebular disk would have to be mostly methane and ammonia rather than hydrogen and helium.