Adivide as it relates to earth science is the
a. rate of precipitation that exceeds infiltration.
b. stream that flows between two trees.
c. elevated land area that separates one watershed from another.
d. largest river system possible.

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids