Includes early ocean geology and formation of our atmosphere; continuing physical development; currents, tides, waves and weather; present and future mineral and energy resources; ecology and interdependence of life; food chains and biological structure.

We digitized and uploaded this film from the A/V Geeks 16mm Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project. Buy this film on DVD.

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