In the outer regions of the solar nebula where temperatures were low,
A) only rock and iron could condense
B) only hydrogen compounds could condense as ices
C) hydrogen and helium gases were able to condense
D) in addition to rock and iron, hydrogen compounds also condensed as ices

Question

Quizplus · Accepted Answer

In the outer regions of the solar nebula where temperatures were low, not only rock and iron but also hydrogen compounds such as water, methane, and ammonia could condense as ices. This is why the outer planets of our solar system are primarily composed of rock and ice.

In the Outer Regions of the Solar Nebula Where Temperatures