The historic flow of water in south florida was from lake okeechobee with the main flow moving:

The 5th term in a series of even number that begin 3x

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

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?