Average temperature of a tropical savanna

After considering options, a student using the problem-solving process should next

The meseta in spain is a a. navigable river b. castle c. coastal plain d.plateau

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?