What can be determined by the difference in arrival times between p and s waves? *

Different waves each travel at different speeds and therefore arrive at a seismic station at different times. Difference in arrival times between P and S waves can be used to determine the distance between the station and an earthquake.

External stimuli or changes outside the body or knowledge that is passed to us through our senses this could be cold or hot weather light levels or danger internal stimuli are changes to conditions inside the body such as dangerous foods in stomach viruses in the body or lack of food or water