Which of the following are characteristics of ultramafic igneous rocks

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Match each medication with its description.