Developed countries are facing challenges because their populations are
aging due to decreased death rates.
increasing due to higher birth rates.
losing a sense of economic stability.
competing for limited natural resources.

Where is the vascular system located

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?

Many feel that the u. s. should not give money to the world bank to aid people in other countries. true or false