19. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. Scientists use this method to find the epicenter of an earthquake A. Hypothetical records B. Triangulation method C. Recording station D. Time difference 20. Volcanoes and earthquakes are both results from the movement of tectonic plates. Over time, these tectonic plates move, interact with each other, and are responsible for the formation of A Ocean basins C. Mountain ranges B. Volcanic Island Arc D. All of the above 21. A major area in the basin of the Pacific Ocean where many earthquakes and volcanic eruptions occur. A. Trench C. Equator B. Fore arc Basin D. Ring of Fire 22. The Earth is composed of three major layers, they are the following EXCEPT for. A Crust C. Mantle B. Plates D. Core​