. A civic biology : presented in problems. Biology; Sanitation. 92 PLANTS MAKE FOOD parts of leaves covered with vaseline will be found to contain no starch, while parts of the leaf without vaseline, but exposed to the sun and air, do contain starch. Air is necessary for the process of starch making in a leaf, not only because carbon dioxide gas is absorbed (there are from three to four parts in ten thousand present in the atmosphere),. 1.°c - 9° °0° o o « a a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio
. A civic biology : presented in problems. Biology; Sanitation. 92 PLANTS MAKE FOOD parts of leaves covered with vaseline will be found to contain no starch, while parts of the leaf without vaseline, but exposed to the sun and air, do contain starch. Air is necessary for the process of starch making in a leaf, not only because carbon dioxide gas is absorbed (there are from three to four parts in ten thousand present in the atmosphere),. 1.°c - 9° °0° o o « a a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hunter, George W. (George William), 1873-1948. New York : American Book Company
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Keywords: ., boo, bookpublishernewyorkamericanbookcompany, booksubjectbiology
