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 food desert problem has in fact become such an issue that the USDA has outlined a map of our nationâs food deserts, which I saw on Mother Nature Network. The Food Desert Locator is a part of the First Ladyâs Letâs Move initiative to end childhood obesity.