A nanometer is one billionth of a meter (10 -9 m) and is the unit of length that is generally most appropriate for describing the size of single molecules.
(A nanometer; is; one billionth of a meter) (A nanometer; is; the unit of length that is generally most appropriate for describing the size of single molecules) (the unit of length; is; generally most appropriate for describing the size of single molecules)
A nanometer A nanometer the unit of length
is is is
one billionth of a meter
the unit of length that is generally most appropriate for describing the size of single molecules
generally most appropriate for describing the size of single molecules