Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Earthquakes Earthquakes are very deadly. Given the two facts above, what are the results of the faulting of rock in Earth's crust?

Available options: 1. graptolites 2. Movement 3. deltas 4. to move people 5. fossil fuels 6. erosion 7. very deadly 8. friction
The answer is:
7.