Which of the following would  decreasethe resistance to the flow of an electric current through a body?                 a.  shortening the conductor      b.  lengthening the conductor      c.  using a conductor with a smaller cross section      d.  heating the conductor

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.