Elp! only answer if you know! explain te answer! terri wants to learn about areas that could be volcanically active. ernesto wants to learn about the history of rocks in an area. which statement is true? terri should use a topographic map and ernesto should use a geographic map. terri should use a geographic map and ernesto should use a topographic map. terri and ernesto should both use geographic maps. terri and ernesto should both use topographic maps. i know its not a or b!