Above the core is Earth's mantle, which is made up of rock containing silicon, iron, magnesium, aluminum, oxygen and other minerals. The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon,aluminum, iron, calcium, sodium, potassium and magnesium.
Sun solar energy.movement of water biomass
renewable energy resource
Is there a all of the above?
If not choose the one most related to the lesson (probably B,C,or A depending on the lesson)