Question

what is the primary composition of earths outer core? liquid iron and nickel molten magma solid rock compressed sediments

Explanation:

The Earth's outer - core is a fluid layer about 2,300 km thick and composed mainly of iron and nickel. It lies above the Earth's solid inner core and below the mantle. Magma is found in the mantle, solid rock is part of the crust and mantle in solid form, and compressed sediments are related to the Earth's surface and crustal processes.

Answer:

Liquid iron and nickel