true or false ________1. The inner core is said to be solid. ________2. Tsunami is a sudden push from an underwater fault. ________3. Due to a very high temperature in the mantle the seismic waves slow down. ________4. Asthenosphere is a region in the crust that has a molten rock that is like a fluid. ________5. PAGASA provides informations on the activities of volcano, earthquake and tsunami. ________6. P-wave becomes slower when it approaches to the molten part of the Earth's interior.