Abiotic factors: Climate. With climate comes precipitation and temperature. Seasonal changes and location of the savannah affects what will grow and when. Snowfall will kill off any warm-season plant that cannot go dormant and rest through the winter to await spring.
, distension (dis-ten'shÅ­n), Although distension is historically the more correct spelling, the word is usually spelled distention in the U.S. The act or state of being distended or stretched. See also: dilation. [L. dis-tendo, to stretch apart] n a state of dilation. the state of being distended, or stretched out or enlarged; the act of distending. For individual local distentions see the location, e.g. abomasal distention.
Distillation is the process of separating the components or substances from a liquid mixture by selective boiling and condensation. Distillation may result in essentially complete separation, or it may be a partial separation that increases the concentration of selected components of the mixture. In either case the process exploits differences in the volatility of the mixture's components. In industrial chemistry, distillation is a unit operation of practically universal importance, but it is a