A curious high school student wants to know why western North America has many mountain ranges, active volcanoes, and earthquakes, whereas these features or activities are absent or not nearly as common in the eastern part of the continent. How would you explain this disparity, and further, can you think of how this situation might be reversed?
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.