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Ocean Currents & Winds Examines the general oceanic circulation ranging from barely discernible drifts to surging warm currents, cold upwellings and bottom currents that spread icy waters from pole to pole. Shows how winds are the driving force behind most currents and how both systems are responsible for the global distribution of solar energy. Includes a fascinating account of how the El Nino event affects worldwide weather. 15 minutes |
| VHS VCT-17 ...$69.00 DVD DVT-36 ...$70 | |
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