Human impact on the environment Webquest answers?

Which of the following lakes is not found in africa?

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?

Hey! can anyone me out with my homework? it will be very much appreciated! and !