In the 1600s, which scientist discovered microbes in pond water by using a microscope

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.

Which beat describes the brain stem

Cells destroy body cells infected by a virus or bacteria.