They compared prices at Whole Foods stores in half a dozen cities to those at various competing supermarkets to determine which stores were cheaper. They found that Whole Foods is about 15% more expensive than other conventional supermarkets, such as Kroger, Wegmans, and Safeway.
A type of igneous rock. Basalt is the most common rock type in the earth's crust and makes up most of the ocean floor.
Reefs of limestone or dolomite, often occurring in the midst of deep-sea deposits, are a special type of shallow-water marine deposit. Some sedimentary iron (oolitic) and manganese ores, bauxites, and phosphorites are also shallow-water marine deposits.