Question

Research 3rocks of different types of igneous metamorphic sedimentary and state their respective economic and medical significance in our present society

Answer 1

Answer:

Igneous — they form from the cooling of magma deep inside the earth. They often have large crystals (you can see them with the naked eye). Metamorphic — they are formed through the change (metamorphosis) of igneous and sedimentary rocks. They can form both underground and at the surface.