A marine scientist wants to understand the effects of tsunamis on beach erosion. Unfortunately, it is hard to predict when and where tsunamis will be triggered. What research methods would best allow him to overcome this limitation in studying tsunamis? Build a small-scale model of a beach to simulate the effects of tsunamis Hire more people so that they can be located everywhere around the world Build a machine to simulate earthquakes and generate real-time tsunamis Focus his research on typhoons instead.