The Encyclopedia Americana, Količine 1–30Bernard S. Cayne Grolier, 1981 |
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Zadetki 1–3 od 81
Stran 129
... 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 ...
Stran 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 ...
Stran 134
... PLANT DEBRIS WATER SEDIMENTS PEAT WATER SEDIMENTARY ROCKS COAL 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 . In ...
... PLANT DEBRIS WATER SEDIMENTS PEAT WATER SEDIMENTARY ROCKS COAL 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 . In ...
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