Lightning rods are mounted on top of tall structures to protect them during thunderstorms. if lightning strikes, it will hit the rod and be directed to the ground through a wire, instead of passing through the structure. what type of substance should be used to make a lightning rod, and why?

The concept of lighting rod was originally developed by Ben-Franklin many people believe that lighting rods attract lighting. It is better to stated to say that lighting rods provides a low resistance path to ground that can be used to conduct the enormous electrical currents when lighting strikes occurs.

substitution is the answer in this case

well, i believe that the answer is 2. : 3