seismic waves
Explanation:
waves show stuff like how the respond and flow through the mantle and I also looked it up so if that helps ☺️
The word minerals mean A formal definition of a mineral, as used by geologists would be: A naturally occurring inorganic solid that has a definite chemical composition, and an ordered internal structure. Geologists are able to identify minerals because they have characteristic physical properties.
The line located at 0° latitude is the equator.