Carbon 14 dating assumes that the carbon
Agriculture: large-scale cultivation of the land, with resulting specialization of labor, domestication of plants and animals, identification with one’s sedentery social group, and a radical separation from the natural world.The Agricultural (Neolithic) Revolution began ten thousand years ago in the Fertile Crescent, where extensive irrigation turned once-fertile croplands into barren salt pans.Angle of Repose: the steepest angle that slope, rock, or detritus material settles into without toppling.
Abrasiveness also seems to be the one quality currently shared by most political appointees and prominent heads of state. Acid: a substance with a p H less than 7 due to prevalent hydrogen ions. The human stomach contains hydrochloric acid with a p H of 1; battery acid is stronger, but not by much. Acid Rain: precipitation heavy with nitric and sulfuric acid.
Synthetic ammonia is a key component of artificial fertilizers.
Analogue Forestry: a method for restoring ecosystems, developed from local Sri Lankan home gardens by the Neo-Synthesis Research Centre (NSRC), that seeks to bring back what grew there originally.
It would be interesting to see a study on how many researchers feel separated from Ammonia: a gaseous compound of nitrogen and hydrogen (NH3) formed as a byproduct when bacteria decompose substances high in nitrogen.
Compost piles thick with manure often emit ammonia when hot.