Which change resulted from the heating of the planets as they formed?
Their masses increased. They lost most of their radioactive isotopes. Their structures differentiated into distinct layers. They started to revolve around the Sun.
Question: Which change resulted from the heating of the planets as they formed?
A. Their masses increased.
B. They lost most of their radioactive isotopes.
C. Their structures differentiated into distinct layers.
D. They started to revolve around the Sun.
Answer: