Word: substitutesâ
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Scientists in some cases have been able to offset such monopolies by substitutes???nitrates from atmospheric nitrogen, rubber from carbohydrates, camphor from coal tar, coffee (Postum) from barley and wheats. There are no substitutes for potash or iodine. Yet chemists are already getting a little potash from the U. S. low-grade deposits along the Mexican border, iodine from seaweed and kelp...
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