Why do so many of earth's volcanoes occur along plate boundaries

Wich of the following is not likely to appear on a map

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics

Hey this is extremely !international aid debate for geography 10 will mark de brainliest! questions are down below plz put an answer and evidence for it. q1: what are the problems with international aid? q2: what are the alternatives to international aid? q3: what do you think is the best approach to offer international aid? ( answer these questions with credible answers and evidence)