Question

bellringer week of 2/9
what is the innermost layer of the earth called?

Explanation:

Earth's structure has concentric layers. The innermost layer is a dense, metallic sphere primarily composed of iron and nickel, divided into a solid inner core and a liquid outer core; the term referring to this central innermost layer overall (or the solid inner core as the deepest point) is the core, specifically the inner core as the absolute innermost part.

Answer:

Inner Core (or Core, with the inner core being the strict innermost layer)