Generally the dominant group of planktonic primary producers in cold water:

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.

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

What changes the stability of the element