Subraya el nombre que recibe las vertientes que existen en México​

The dashed segment of the plotted experiment in the graph in the lesson is called an

Based on current rates the earths human population is expected to grow how much by 2050

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?