It should be B. All of the other choices are used often by abusers
Answer:
weight hung from a fixed point so that it can swing freely backward and forward.
Answer:
As metals are giant lattice structures, the number of electrostatic forces to be broken is extremely large, and so metals have high melting and boiling points. This means that the melting point and boiling point of metals are more similar to those for ionic compounds than for covalent substances.
Explanation: