Which is the most recent time period where north america and africa are believed to be separated?

Select the correct answer from each drop down menu. among these figures figure and blank have the same volume. 1 a c e 2 b d

Which event had the greatest impact on culture of south america

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?