The na/k pump would be an example of a symport system. true or false?

What effect does plate tectonics have an organic evolution

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.

Explain why biological control methods are generally environmentally superior to chemical pest control methods.