In light of the above statements, how should developing countries deal with the problems associated with a lack of clean, fresh 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 breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks