Answer: It describes the formation, breakdown, and reformation of a rock as a result of sedimentary, igneous, and metamorphic processes. All rocks are made up of minerals. ... Igneous rocks- form in two very different environments. Hope it helped!
It has opened new trade routes and we can see what they used for their roads and we can make ours better.
The outer core heats the mantle on convection currents.
Hope this helps!