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In addition to Natural- such needs , man also has a wide range of natural - reresource source " wants . ” These include the materials , experiences , “ wants ” or space needed to make existence more enjoyable .
Protection of natural communities Facilities needed in national parks a without being disturbed . ... Furthermore , it is known that more or less undisturbed natural communities are important to the continued operation of those systems ...
Table 5 : Typical Dyestuffs and Pigments , Natural and Synthetic uses and properties for fats and oils for soaps , oils , perfumes , foodstuffs artists ' watercolour with mordant , for cellulose fibres or wool with mordants , for wool ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review