The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 140
... obtained from members of the beech order is cork , especially supplied by Quercus suber , the cork oak , occurring naturally and cultivated in the western Mediterranean countries . Cork , however , is also obtained from other oak ...
... obtained from members of the beech order is cork , especially supplied by Quercus suber , the cork oak , occurring naturally and cultivated in the western Mediterranean countries . Cork , however , is also obtained from other oak ...
Page 277
... obtained from two of the more than 80 species of the genus Asclepias , is also used as a substitute for kapok . The plants are dis- tributed throughout the United States and are perennials when cultivated . Attempts to use the extremely ...
... obtained from two of the more than 80 species of the genus Asclepias , is also used as a substitute for kapok . The plants are dis- tributed throughout the United States and are perennials when cultivated . Attempts to use the extremely ...
Page 436
... obtained . It is digital , providing full or no output . It is active because a constant supply is necessary , and mono- stable because maintained input signals are required . Vortex . In Figure 4A a supply applied to a cylindri- cal ...
... obtained . It is digital , providing full or no output . It is active because a constant supply is necessary , and mono- stable because maintained input signals are required . Vortex . In Figure 4A a supply applied to a cylindri- cal ...
Contents
would become the principal reserve asset while gold | 36 |
Excretion the elimination of the waste products of | 50 |
Volumes | 431 |
Copyright | |
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acid activity amount animals appears become blood body called carried cause cells century changes chemical close common complete consists containing continuous countries depends direction early effect evidence evolution example existence farm federal ferns fibres field Figure fire function gametophyte give groups important increase interest Italy kidney known later leaves less light lines living major marriage material means ment method move movements muscle natural normal obtained occur organs origin percent period person plants position possible present pressure problems produced properties protection reduced remain renal response result retina selection similar social species structure supply surface temperature tend tion types United urine usually various vary