The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 360
... effect varies greatly among plant species ; also , the effect is related to temperature and humidity of the air . In arid climates , dry and hot winds often cause rapid , harmful wilting . In winter , with frozen soil , the damaging ...
... effect varies greatly among plant species ; also , the effect is related to temperature and humidity of the air . In arid climates , dry and hot winds often cause rapid , harmful wilting . In winter , with frozen soil , the damaging ...
Page 392
... effect ma- chines , are characterized by their movement , in which a significant portion of their weight is supported by forces arising from air pressures developed around the craft , as a result of which it hovers in close proximity to ...
... effect ma- chines , are characterized by their movement , in which a significant portion of their weight is supported by forces arising from air pressures developed around the craft , as a result of which it hovers in close proximity to ...
Page 439
Effects on mental processes Alcohol and thera- peutics The serious indirect effects of alcohol. alcohol concentration in ... effect on the brain is rather biphasic : at quite low concentrations it can serve as an excitant or stimulant of ...
Effects on mental processes Alcohol and thera- peutics The serious indirect effects of alcohol. alcohol concentration in ... effect on the brain is rather biphasic : at quite low concentrations it can serve as an excitant or stimulant of ...
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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