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Earth's Structures
This episode examined the process by which the earth continuously creates and destroys its surface; explained Nicholas Steno's discovery that layers in rock were caused by sediment and could be used to date rocks; and showed how viscous rocks form folds. It also explained how faults occur between land masses; showed how scientists measure their strike and dip to predict how they moved; and demonstrated the difference between stress and strain.
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CC - Closed Caption
HD - High Definition
16:9 - Anamorphic Widescreen
LTR - Letterbox
DVI - Descriptive Video Information for the visually impaired
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