What will happen to the velocity of a secondary wave when it passes through a liquid? A Its velocity will decrease
B. Its velocity will be the same.
C. Its velocity cannot be measured.
D. Its velocity will continue to increase in liquid.
2.How do rock particles move during the passage of a P wave through the
rock?
A. in a rolling circular motion
B. in a rolling elliptical motion
C. perpendicular to the direction of wave travel
D back and forth parallel to the direction of wave travel
3. Which among the following seismic waves is the most destructive?
A. Primary waves
C. Secondary waves
B. Surface waves
D. Quarter waves
4. Which among the following waves travels in all types of media?
A. Primary waves
C. Secondary waves
B. Surface waves
D. Quarter waves
5. How do rock particles move during the passage of S wave through the rock?
A. in a rolling circular motion
B. in a rolling elliptical motion
C. perpendicular to the direction of wave travel
D. back and forth parallel to the direction of wave travel
6. Which of the following instruments detect and measure seismic waves?
A. Seismograph
C. Mercalli Scale
B. Isobar
D. Pressure Bar
7. Which best describes a primary wave?
A. it travels only in liquid.
B. it travels only on the surface of the ground.
C. it travels only in gas and on the surface of the ground.
D. it travels in different types of media like solid, luquid and gas

patulong po, kailangan aq lg.​