UV-B lamps are lamps that emit a spectrum of ultraviolet light with wavelengths ranging from 290-320 nanometers. This spectrum is also commonly called the biological spectrum due to the human body's sensitivity to light of such a wavelength.
There are several different types of siblings. 1  Full siblings (brother, sister): These siblings have the same father and mother. 2  Half siblings (half-brother, half-sister): These siblings have one parent that is the same. They either have the same father or the same mother. Step siblings (stepbrother, stepsister): These sibling have different fathers and mothers but one of their parents is married to a parent of the other one.
THE HALF BROTHER by Holly LeCraw, a complex tale an exploration of family bonds, loyalty, love, and dark family secrets--from southern Atlanta to prestigious New England. After Harvard, Charlie Garrett, longs to leave his complicated southern childhood in Atlanta, behind and find his place in the world.