Major cities are indicated in Figure 1 using small, black squares. Is there a correlation between the location of major cities and the location of plate boundaries? What types of plate boundaries do cities tend to be closer to? What are the implications of these correlations?

The process by which liquid water changes into water vapour is called what ?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

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?