Which statement correctly compares seismic p-waves with seismic s-waves ?

a. p-waves travel faster than s-waves and do not pass through earth's liquid zones.
b. p-waves travel slower than s-waves and dont not pass through earth's liquid zones.
c. p-waves travel slower than s-waves and pass through earths liquid zones .
d. p-waves travel faster than s-waves and pass through earth's liquid zones .

The answer is; D.

P-waves are compressional waves while S-waves are shear waves. P-waves are recorded first by seismographs before S-waves because they travel faster. The time difference in arrival between the P and S waves can be used to calculate the epicenter of an earthquake. S-waves are not able to be transmitted via liquid and gases, unline P-waves which pass through all media.

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.