Thiocyanate is a metabolite of which of the following compounds?

An intoxicated driver drove his car into the side of a slow-moving train, hitting the tanker car. To get information on what is contained in the tanker, you are going to call CHEMTREC, Inc What piece of information is it critical to provide this agency so they can help identify the material inside the tanker car?

A) Name of the railroad carrier B) Description of the leaking material C) Type of railroad car involved D) Four-digit U.N identification number

The basic unit to measure weight in the metric system is the ____. 

A. gram B. grain C. ounce D. pound E. dram