Earth's inner core is composed of: a. molten lava. b. molten ...

[penguins]

Earth's inner core is composed of:
 a. molten lava.
  b. molten copper and nickel.
  c. solid basalt.
  d. solid iron and carbon.
  e. solid iron and nickel.

Question 2

Much of what we know about the internal structure and composition of Earth has come from the study of:
 a. satellite imagery.
  b. seismic waves.
  c. volcanic eruptions.
  d. Mars.
  e. deep-ocean sediments.

[ju]

Answer to Question 1

E

Answer to Question 2

B

[penguins]

Thank you!

[ju]

Always glad to help...