The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 133
... plants that once flourished in some areas of the earth , since examination of coal through a microscope shows various kinds of plant cell structure . But any description of the circumstances under which these plants grew , died , and ...
... plants that once flourished in some areas of the earth , since examination of coal through a microscope shows various kinds of plant cell structure . But any description of the circumstances under which these plants grew , died , and ...
Page 134
... PLANT DEBRIS WATER SEDIMENTS PEAT WATER SEDIMENTARY ROCKS COAL 遊 plants ) were in part retained in the plant debris . Along with the wind- and water - borne impuri- ties , they remained to become the ash that is left when coal burns ...
... PLANT DEBRIS WATER SEDIMENTS PEAT WATER SEDIMENTARY ROCKS COAL 遊 plants ) were in part retained in the plant debris . Along with the wind- and water - borne impuri- ties , they remained to become the ash that is left when coal burns ...
Page 231
... plants widely grown as house and garden plants . Coleus belongs to the mint family ( La- biatae ) and is native to Java and tropical Africa , although many species have become naturalized in the American tropics . Most cultivated ...
... plants widely grown as house and garden plants . Coleus belongs to the mint family ( La- biatae ) and is native to Java and tropical Africa , although many species have become naturalized in the American tropics . Most cultivated ...
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