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.
Sima â Oceanic Crust. The ocean floor is made primarily of extremely dense rock which scientists call sima. Sima is made out of two basic substances. These substance are silica, and magnesium.Sima tends to be younger than the rocks found on continents.ima â Oceanic Crust. The ocean floor is made primarily of extremely dense rock which scientists call sima. Sima is made out of two basic substances. These substance are silica, and magnesium. Sima tends to be younger than the rocks found on continents.