Unsafe waters

Investigate the nature and condition of the compound that covers three-quarters of the Earth's surface. Four segments present recent discoveries in the areas of marine biology, ecology, and exploration. This in-depth study shows why the oceans are so important to life on Earth and what we can d...

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Corporate Authors: Discovery Channel School, Discovery Channel Education, Discovery Communications, Inc
Language:English
Published: Silver Spring, MD: Discovery Communications, 2004.
Subjects:
Summary:Investigate the nature and condition of the compound that covers three-quarters of the Earth's surface. Four segments present recent discoveries in the areas of marine biology, ecology, and exploration. This in-depth study shows why the oceans are so important to life on Earth and what we can do to improve and preserve their health
Physical Description:1 videodisc (52 min.): sd., col.; 4 3/4 in..
Format:DVD
ISBN:1587384973