The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 81
... contain both types of multiple bonds in the same molecule . Aromatic compounds are classed as benzenoid if they contain six - membered aro- matic rings , as in the parent compound benzene , or non- benzenoid if they do not . They are ...
... contain both types of multiple bonds in the same molecule . Aromatic compounds are classed as benzenoid if they contain six - membered aro- matic rings , as in the parent compound benzene , or non- benzenoid if they do not . They are ...
Page 202
... contain SiO , in sufficient abundance to form quartz or other silica minerals in addition to the amounts of silica required to form all other mineral constituents that are present . Cor- respondingly , in this context undersaturated ...
... contain SiO , in sufficient abundance to form quartz or other silica minerals in addition to the amounts of silica required to form all other mineral constituents that are present . Cor- respondingly , in this context undersaturated ...
Page 1054
... contain members of both sexes in equal numbers , and both males and females develop from fertilized eggs . In the hymenopteran colony , how- ever , the sterile castes contain females only ; both sterile and reproductive females develop ...
... contain members of both sexes in equal numbers , and both males and females develop from fertilized eggs . In the hymenopteran colony , how- ever , the sterile castes contain females only ; both sterile and reproductive females develop ...
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activity andesite antibodies antigen atoms basalt basin bonds carbon cause cells centimetres central centre century chemical composition crystals cultural cycle cyclone earth economic effect eruption evaporation example feet feldspar feldspathoids flow freezing gabbro glaciers groundwater hallucinations heat hockey humidity Hungarian Hungary hydrocarbons hydrogen hydrograph hydrologic hydrologic cycle hypnosis hypnotic ice sheets icebergs Iceland ideology igneous rocks Illinois illusion immunoglobulin immunological important increase India industrial intrusive kilometres king lakes land lava layers lymphocytes mafic magma major melting ment metres miles millimetres minerals molecules mountain northern occur ocean parasitic percent philosophy plagioclase political population precipitation pressure produced pyroxene rainfall reaction region relatively result river runoff snow social soil specific square kilometres square miles structure surface temperature theory tion types United vapour volcanic western wind zone