Rock types: Igneous, metamorphic, sedimentary
<span>Plate tectonics, mohorovic discontinuity, continental drift. </span>
<span>orogony: mountain building </span>
<span>earthquakes, faults, fault types, contact zones </span>
<span>subduction zones</span>
The moon has phases because as it orbits earth, which causes the portion we see during each different phase to be shown.