Earth rotates on its axis, a large rotating globe could spin in many directions, but earth is held steady by

How is france’s culture important to its economy

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?