How can scientists make orange juice smell pleasant?
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Newtons second law deals most cosely with

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.