Q15. what type of Plate is Plate A? What about Plate B? Why do you say so?
Q16. Describe what happens to Plate A as it collides with Plate B? Why ?
Q17. What do you think may happen to the leading edge of Plate A as it continues to move downward? why?
Q18. what do you call this molten material?
Q19. What is formed on top of Plate B?
Q20. As the plates continue to grind against each other, what other geologic event could take place?