Question : ESSAY. Write your answer in the space provided or a : 2086504

ESSAY. Write your answer in the space provided or on a separate sheet of paper.

Critical thinking and discussion questions. Use complete sentences, correct spelling, and the information presented in chapter 9 to answer the questions below.

57) Since much of our knowledge of Earth's interior is inferred from the behavior of seismic waves and not actual samples, what are some of the assumptions that are made in order for our models to be correct? (Hint: Think of earth materials, physical and chemical parameters, etc.)

58) Using the time-travel graph below, how long does it take a P wave to travel 2000 km?

59) Would earthquakes of similar magnitudes in different regions of the Earth cause approximately the same levels of damage necessarily? In your explanation, consider both geologic and human-induced factors.