select all the correct answers. which two layers of earth are mainly composed of iron and nickel? inner core…
select all the correct answers. which two layers of earth are mainly composed of iron and nickel? inner core outer core lower mantle upper mantle crust
Answer
Brief Explanations:
The inner core and outer core of the Earth are mainly composed of iron - nickel alloys. The mantle is composed mainly of silicate rocks, and the crust is composed of a variety of lighter - weight minerals.
Answer:
inner core, outer core