Compared to eukaryotic cells, prokaryotic cells contain
a. about 1000 times more dna
b. about one thousandth as much dna
c. twice as much dna
d. the same amount of dna

Metamorphic rocks are formed when sedimentary or igneous rocks are subjected to heat or pressure and recrystallize without melting. which of the following rocks results from the metamorphism of limestone? a. granite b. slate c. sandstone d. marble

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 two criteria must be met before scientist can use radiocarbon dating? explain your answer