Preserving food, less fighting for food, less roaming to hunt and gather. More stable sense of community. More children. Preserving food, less fighting for food, less roaming to hunt and gather. More stable sense of community. More children.
Contrast sensitivity is the ability of an imaging process to produce an image of objects or tissues in the body that have relatively small physical differences or inherent contrast. The contrast that is to be imaged is in the form of some specific physical characteristic.
determine the amount of light absorbed by the sample (or the intensity of light transmitted through the. sample). light source is usually a tungsten lamp for the visible region of the spectrum, and either a. hydrogen or deuterium lamp for ultraviolet wavelengths.