The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 596
... span from a few weeks to several thousand years . Angiosperms provide man with food , shelter , clothing , drugs , and orna- mental plants . The most important of all sources of food are such angiosperms as the cereal grasses ...
... span from a few weeks to several thousand years . Angiosperms provide man with food , shelter , clothing , drugs , and orna- mental plants . The most important of all sources of food are such angiosperms as the cereal grasses ...
Page 883
... span far greater openings . Masonry lintels are inef- ficient because they must depend on the cohesiveness of mortar , which is weaker than the blocks it bonds ; so , in masonry construction , lintels of monolithic ( single - slab ) ...
... span far greater openings . Masonry lintels are inef- ficient because they must depend on the cohesiveness of mortar , which is weaker than the blocks it bonds ; so , in masonry construction , lintels of monolithic ( single - slab ) ...
Page 884
... span rectangular areas of unlimited length . This vault has the additional advantage that its thrusts are concentrated at the four corners , so that the supporting walls need not be uniformly massive but may be buttressed where they ...
... span rectangular areas of unlimited length . This vault has the additional advantage that its thrusts are concentrated at the four corners , so that the supporting walls need not be uniformly massive but may be buttressed where they ...
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Common terms and phrases
20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe