Silver is a whitish precious metal and has been used since about 4000 BC for various purposes such as money, silverware, jewelry and so on. Silver is measured in troy ounces. A troy ounce is 31.10348 grams.
Food Desert Locator from the USDA. GoodFood World Staff, May 4th, 2011. The official definition of a food desert is a low income census tract where at least a third of the residents are a mile from a supermarket or large grocery store.
The desert is a geographical region that largely overlaps the Great Basin shrub steppe defined by the World Wildlife Fund, and the Central Basin and Range ecoregion defined by the U.S. Environmental Protection Agency and United States Geological Survey. It is a temperate desert with hot, dry summers and snowy winters.he Great Basin Desert includes several arid basins lacking Larrea tridentata (chaparral) such as the  Chalfant, Hammil, Benton, and Queen valleys, as well as all but the southeast portion of the Owens Valley.