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.
MARK COLVIN: If you live an easy walk away from a take away food outlet, but need the car to go to a supermarket or greengrocer, it's possible you live in a 'food desert'. That's a term coined by public health experts to describe places where there's limited access to shops that sell fresh, healthy food.Analysis of Australia's food deserts is in its infancy, but early results in Sydney suggest the western suburbs have the biggest access problems.ARK COLVIN: If you live an easy walk away from a take away food outlet, but need the car to go to a supermarket or greengrocer, it's possible you live in a 'food desert'. That's a term coined by public health experts to describe places where there's limited access to shops that sell fresh, healthy food.