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Beginning of Paper
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Geothermal Energy
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 energy to name a few. Each one
of these choices has its pros and cons. Hydroelectric power tends to upset the
ecosystems in rivers and ....
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Middle of Paper
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.... because they were more dense. These
hot bodies sunk into and became part of the constantly growing core. Less dense
elements were pushed towards the surface and began to form the crust. The early
crust or 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 ....
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ADDITIONAL FEATURED ESSAYS
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