Oxygen - One of the six molecules that dominate life. Oxygen is nice but greedy -electronegative. Oxygen is one of the six basic chemicals of life. Six chemicals - carbon (C), hydrogen (H), oxygen (O), nitrogen (N), sulfur (S) and phosphorus (P) - make up about 98 percent of the weight of people and trees. Without oxygen, normal respiration does not take place.\
See “Essential Element”, “Nitrate”, “Fertilizer” and “IRS”
See A Touch of Chemistry, SHIGO, 1996).
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