The fact that Earth's interior is sorted into layers indicates that
A) Earth was once in a molten state, during which materials became sorted based on density.
B) the rotation of the early Earth acted like a centrifuge which separated materials based on weight.
C) the process of formation from a nebula (by the slamming together of material and planetesimals that stuck together on impact) produces nice, neat layers.
D) nothing can be inferred about such a perplexing level of organization.
Question 2
Describe the radiation emitted from both the Sun and Earth in terms of the electromagnetic spectrum.
What will be an ideal response?
