Sodium metal can be obtained from sodium chloride by electrolysis if the sodium chloride is rather than in solution. What word completes this sentence? Can you help me with this?

The boiling point of liquids is very high what does it indicate

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.

Convert .347 kilometers to miles show your work