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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.
The Agricultural (Neolithic) Revolution began ten thousand years ago in the Fertile Crescent, where extensive irrigation turned once-fertile croplands into barren salt pans.
Adaptation: how living things change what they do or what they are to survive in a particular environment.
In this the organism is not a passive recipient of external circumstances; the relationship is interactive. Aggradation: a downward accumulation of stream-carried inorganic matter.
Dicots have two cotyledons, four- or five-part flowers, and net leaf vein patterns.
Monocots include grasses, orchids, palms, and cattails, and dicots include oaks, sycamores, and maples.Abandoned Wells: a hazard because wells left on vacated lands can channel water contaminated by pesticides and fertilizer straight down into the water table. Abrasion: the wearing away of rock surfaces by small particles moved by air or water.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.Most of it is generated by sulfur dioxide and nitrogen dioxide (air pollution). Results include fish and plant deaths, corrosion, groundwater pollution, and soil erosion. Actinomycetes: formerly classified as fungi because of their filaments, the actinomycetales include many types of soil bacteria.