Geologists Also Study (2 a Physics to understand Plate tectonics a Volcanism Earthquakes. Landslides Biology, to understand: How life processes integrate with other earth systems How life has evolved Fossils in the rocksGeologists Also Study :(2) ◼ Physics, to understand: ◼ Plate tectonics. ◼ Volcanism. ◼ Earthquakes. ◼ Landslides. ◼ Biology, to understand: ◼ How life processes integrate with other Earth systems. ◼ How life has evolved. ◼ Fossils in the rocks