12. Which refers to the fault that has generated earthquake Intensity Scale ( PEIS)
A. active fault B. inactive fault
C. normal fault D. reverse fault
13. Which refers to the thin and outermost layer of earth?
A. crust
B. mantle
C. outer core
D. inner core
14. Which of the following is NOT part of the layers of the earth's interior
A. crust
B. core
C. mantle
D. plate
15. Which is the innermost layer of the earth made up of iron and nickel?
A. crust
B. mantle
C. outer core D. inner core
16. Which refers or disturbance that carry energy from an earthquake along
Earth's surface or underneath the crust?
A. seismic tremor
C. seismic wave
B. seismic boundary
D. seismic focus
17. Which is the fastest seismic wave that can pass through all types of materials
on the ground?
A. Primary wave
C. Surface wave
B. Secondary Wave
D. Rayleigh wave
18. How would scientist prove that earth has layers because of seismic waves?
A. Seismic waves travel very slowly in all the layers of the earth.
B. Seismic waves at certain depths are reflected and refracted.
C. Seismic waves speeds up as they travel in the layers of the earth.
D. Seismic waves behave he same way regardless of what they encounter.
19. What happens to the s-wave as the wave reach the liquid core?
A. The s-wave travel faster.
C. The s-waves disappear.
B. The s-wave travel slower.
D. The s-wave bounce back. .
20. How would you classify primary wave from the other seismic wave?
A. Primary wave is the fastest seismic wave.
B. Primary wave is larger than any other type of waves.
C. Primary wave is larger than any other types of waves.
D. Primary wave can only move along the surface of the earth.pls tulungan nyo po ako sa science ​