types+of+energy

=__there are good types of energy that are__ :=

number of different layers:
> ==very hot melted rock, called magma.== > ==of magma and rock.== > ==continents and ocean floors. It can be 3 to 5 miles thick under the oceans and== > ==15 to 35 miles thick on the continents.==
 * ==the core iTtself has two layers: a solid iron core and an outer core made of==
 * ==The mantle surrounds the core and is about 1,800 miles thick. It is made up==
 * ==The crust is the outermost layer of the Earth, the land that forms the==