avgeeks1and1Includes 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.