How does the physical environment of latin america affect human activities?

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

In russia which of these challenges affects the transportation of both petroleum products and other goods?

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?