16. DNA in a eukaryotic cell is contained in A) a nucleus
B) a protein molecule
C) an enzyme molecule
D) a chromosome

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br

What 3 categories are elements divided