The numbers on the map (1-4) represent large bodies of salt water on earth. these bodies of water surround the seven continents. what are these bodies of water called?

What evidence is there that convection occurs in earth’s troposphere?

Which measure of an earthquake depends on how close you are to the focus?

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