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.
A dark, fine-grained, igneous rock consisting mostly of feldspar, iron, and magnesium. Basalt makes up most of the ocean floor. It commonly forms when volcanic lava becomes solid. See Table at rock.