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52 Conservation of Natural Resources Protection of natural communities man
primates ( e.8 . , monkeys and apes ) are used for many studies of human
functions and diseases ; and a great variety of wild plants are used as sources of
virtues , natural and theological 456 Various attempts were made to narrow the
meaning of aretē . The elegiac poet Tyrtaeus in 7th - century Sparta attempted to
limit it to valour in battle ; specifically excluding athletic skill , beauty of face or ...
Table 5 : Typical Dyestuffs and Pigments , Natural and Synthetic with mordants ,
for cellulose fibres , silk , and wool for ... Index references chemical structure uses
and properties Natural biological colorants H.C CH , CH , H H H H H H HỌC ...
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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