Question

its important to note that the earths structure is not static but is always changing. for example, the lithospheres tectonic plates are always moving which causes earthquakes, mountain building, and volcanoes. what is the earths innermost layer primarily composed of? metal solid rock water

Explanation:

The Earth's innermost layer is the inner - core, which is primarily composed of iron and nickel, both metals.

Answer:

A. metal