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2011-02-03 01:06:57
00:06:04
Urdu
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Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/plate-techtonics/v/plate-tectonics-geological-features-of-convergent-plate-boundaries
Geological features of Convergent Plate Boundaries
More free lessons at: http://www.khanacademy.org/video?v=Y0eWnOZpSpQ