What happened at the end of the most recent ice age? A. Land bridges became exposed.
B. Sea levels rose over 300 feet.
C. A mass extinction occurred.
D. The Cenozoic era began.

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.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Which law represents a balanced chemical equation?