Question

select all the correct answers. which two layers of earth are mainly composed of metallic elements such as nickel and iron, which are abundant in meteoroids and comets? inner core outer core lower mantle upper mantle crust

Explanation:

The Earth's inner core and outer core are mainly composed of metallic elements like nickel and iron. These elements are also abundant in meteoroids and comets. The mantle and crust are not primarily made of these metallic elements.

Answer:

inner core, outer core