Pltw :
explain how blocked coronary vessels can lead to a myocardial infarction, a heart attack.

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 would be the most useful source of evidence to support mcneill's contention?

Which factor that affects biodiversity?