Which statement best identifies a central idea of this text?Issues with the Articles of Confederation"

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.

Why is it important to study each branch of earth science?

Which could be a pathway of food through an ecosystem