Help me with this pls!

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?

In recent times, what parts of texas are most likely to gain to representatives based on redistricting in recent years

Which statement about new zealand’s first inhabitants is not true? a. the maori have no political power today. b. the origin of the maori is in dispute by scholars. c. the maori are trying to reassert their claims to the land. d. the maori lost most of their land in the 1800s to the british colonists. (gradpoint)