Witch type of economic activities would most likely be found in a newly industrialized country with commercial industry? A)primary activities

B)secondary

C)tertiary

D)quarternary

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?