demand tevels, locave a suarting point for the location of the plant. A. 2 , 5 , 21 a. 3.1 .27 c. 30,35 D. 4.7 , 20 A larger and more modern main post office is to be constructed at a new location in Davis, Caldomia. Growing suburbs caused a shin in the population density from wheve it was 40 years ago, when the The center of gravily " x " cocrdinate * The center of gravity "r' coopdinate =