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Geothermal Energy
Beginning of essay
Physics 009
Professor Arns
The human population is currently using up its fossil fuel supplies at
staggering rates. Before long we will be forced to turn somewhere else for
energy. There are many possibilities such as hydroelectric energy, nuclear
energy, wind energy, solar energy and geothermal ....
Middle of essay
....crystalline barrier consisted of ultra basic, basic, calc-alkaline, and
granite. The early crust was very thin because the core was extremely hot. It
is estimated that the mantel e 200 to 300 degrees Celsius warmer than it is
today. As the core cooled through volcanism the crust became thicker and cooler.
The earth is made up of four basic layers, the inner solid core, the outer
liquid core, the mantel and the lithosphere and crust. The density of the
layers gets greater the closer to the cen.... |
| Number of words: 4709 |
Approximate pages: 18 |
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