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| | Virtual Library of Useful URLs arranged by Dewey 540-599 Natural Sciences |
 | | Contents: The Water Planet (Physical Features of the Ocean, Changing Oceans, Water Cycle, Ocean Profiles), Oceans in Motion (Currents, Wind and Waves, Ebbs and Flows of the Sea), Life in the Sea (Predators and Prey), Scientist at Sea (Underwater Exploration, Remote Sensing, Satellite Images), plus Resources. |
 | | Botany.com the Encyclopedia of Plants, provides information regarding the general description of plants, various methods of cultivation, indoor or outdoor planting, soil and temperature requirements, pruning, and other important details, means of propagation, and the different varieties and hybrids. |
 | | Chart lists number of species and number of families for world mammals, including the Primate: human. |
| www.aresearchguide.com /540-599.html (6348 words) |
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