THE EARTH'S COMPONENTS - Earth 002 Thursday, January 21st,...

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Earth 002 Thursday, January 21st, 1999 Announcements: TA's Office Hours: T 12:45-1:45, W 10:00-11:00; 312 Deike Lecture notes: DAISYWORLD HOMEWORK REVIEW THE EARTH'S COMPONENTS Geosphere -rocks (also known as lithosphere) Atmosphere -air Hydrosphere -oceans Cryosphere -icy components Biosphere ENERGY IN OUR ATMOSPHERE Energy is put into our atmosphere it two different ways One is through solar energy -energy from the sun Another method is from Earth's interior -meaning the radioactive decay of Thorium (T) and Uranium (U) ROCK CYCLE This is what controls the components of the atmosphere
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HYSOGRAPHIC CURVE This curve depicts the elevations of Earth's continents and oceans Earth maintains mostly continent and ocean (about 30% continent, 70% ocean) There are very small areas on earth that are very high or very low ALFRED WEGENER Wegener beleived that all land on earth was orginally joined together as one huge continent, supporting this hypothesis with 5 pieces of evidence
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This note was uploaded on 02/21/2008 for the course EARTH 002 taught by Professor Eigenbrode during the Spring '99 term at Pennsylvania State University, University Park.

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THE EARTH'S COMPONENTS - Earth 002 Thursday, January 21st,...

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