Select the correct answer.
Which layer of Earth is the densest and why is that so?
O A.
The outer core is densest due to gravitational compression.
О в.
O c.
The outer core is densest due to generation of radiogenic heat.
The outer core is densest due to accretion.
O D.
O E.
The inner core is densest due to generation of radiogenic heat.
The inner core is densest due to gravitational compression.