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?

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?