All elements heavier than iron are made during supernova explosions.
Indicate whether the statement is true or false
Question 2
In noting that the Earth is differentiated, we mean that
A) the density increases as you descend downward toward the core.
B) the Earth's magnetic field varies at different locations on the globe.
C) the Earth is very different than any other planet we study.
D) the radioactive heating in the core is increasing with time.
E) the density of oceanic basalt is less than that of granite on the mountain tops.