Hi, any ideas for an earthquake proof building that will be effective when withstanding shock waves? you very much, ask me for any more additional information! : 3 ♥

What are the answers for the following questions?

Which phrase describes the time it takes for a planet to make a complete rotation

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?