The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 21
... contains fam- ilies found only on the skin surface or feathers of the host . Psoroptidae ( Astigmata ) , or scab mites , for example , attack the skin surface of mammals and feed on skin scales ; the continuous abrasion of the skin ...
... contains fam- ilies found only on the skin surface or feathers of the host . Psoroptidae ( Astigmata ) , or scab mites , for example , attack the skin surface of mammals and feed on skin scales ; the continuous abrasion of the skin ...
Page 200
... contains a major share of world resources of tantalum ( 80 percent ) and of niobium ( a steel - gray metal- lic element resembling tantalum in its chemical prop- erties and used in alloys ; 15 percent ) . African reserves of niobium ...
... contains a major share of world resources of tantalum ( 80 percent ) and of niobium ( a steel - gray metal- lic element resembling tantalum in its chemical prop- erties and used in alloys ; 15 percent ) . African reserves of niobium ...
Page 876
... contains helpful sections on the role of angels and demons in chapters on the various religions , as well as a very usable bibliography . J.B. NOSS , Man's Religions , 4th ed . ( 1969 ) , is a good one - volume work that contains useful ...
... contains helpful sections on the role of angels and demons in chapters on the various religions , as well as a very usable bibliography . J.B. NOSS , Man's Religions , 4th ed . ( 1969 ) , is a good one - volume work that contains useful ...
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19th century abrasive accelerator acid actinide actor Adams adhesives administrative adult advertising Aegean aerospace Aeschylus aesthetic Afghanistan agriculture aircraft airplane animals artist atomic Bantu Bantu languages basic behaviour Bronze Age Cameroon carved Central centre changes Chari-Nile languages coast Congo contains countries Cretan Crete crops cultural Cyclades dance Djibouti early East Egypt electrons engineering Ethiopia example farm feet figures flight Ghana important increase industry Kabul Kenya Khoisan Knossos known Lake land languages mainland major masks ment metal modern mountains Mycenae Niger Nigeria Nilotic northern organization oxidation particles patterns percent period plants political population production proton region River Sahara savanna sculpture soil solvent South Africa southern species style Sudan Tanzania temperature theory tion tons traditional tropical United usually West Africa western Yoruba Zaire