More on fixation from Fact Monster:

• nitrogen cycle: Nitrogen Fixation - Nitrogen Fixation Although the earth's atmosphere is 78% nitrogen, free gaseous nitrogen cannot ...
• nitrogen cycle: Effects of Artificial Fixation - Effects of Artificial Fixation Nitrogen fixation can also be accomplished artificially by various ...
• nitrogen cycle - nitrogen cycle nitrogen cycle, the continuous flow of nitrogen through the biosphere by the ...
• nitrogen cycle: Other Aspects of the Nitrogen Cycle - Other Aspects of the Nitrogen Cycle Decomposing animal remains and animal wastes also return ...
• reading, mental process - reading reading, process of mentally interpreting written symbols. Facility in reading is an ...

See more Encyclopedia articles on: Psychology and Psychiatry