Primary source of energy for earth's weather systems

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.

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?

In the image layer a is the topmost layer layer c contains fossils from the precambrian era larrabee contains dinosaur fossils and layer a contains fossils of mammals which two statements are supported by this evidence