The Earth's layered composition is a consequence of:
a) the great bombardment.
b) differentiation of materials.
c) isolation.
d) condensation currents.
e) plate tectonics.
Answer: B
The Earth's layered composition is a consequence of:
a) the great bombardment.
b) differentiation of materials.
c) isolation.
d) condensation currents.
e) plate tectonics.
Answer: B