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Continental Drift - Lesson 9 - Part 2 of 7

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Uploaded on Mar 9, 2008

Continental Drift Part 2 Planet of Man -- Beyond a doubt - revolution
Host Tuzo Wilson
•Steady state -- Uniformtarism
•Alfred Wegner
•1915 Wegner published a book of drifting like a piece of cracked ice flow.
•Wegner thoughts and reasoning on continental drift
• Wegner concluded 200 million years drifted and they are in their current positions.
•Science and religious comment on continental drift theory
•World War II brought a change in continental drift ideas - instrumentation

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Today, continental theory is superseded by plate tectonics.
Continental drift treated only the continents as jigsaw puzzle whereas plate tectonics treats the continents, oceans and the earth's crust as pieces of jigsaw puzzle.
These segments are a flashback to part of the development of the current theory

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