How to preserve food substance by applying concept of movement of substances across a plasma membrane? Thank u​

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

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.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.