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). 

See "other articles"

See Updated "Oxygen" definition.

Dictionary MAIN PAGE
Text & Graphics Copyright © 2007 Keslick & Son Modern Arboriculture
Please report web site problems, comments and words of interest, not found.