Answer:
This number will be used to tell you how far your seismograph is from the epicenter of the earthquake. Measure the distance between the first P wave and the first S wave. In this case, the first P and S waves are 24 seconds apart.
answer: seismograph
Arid, semiarid, highlands and humid continental
.
Lots or thousands of others
Organism x existed for a short period of time would be my answer, it seems a lot better than the other answers
Answer:
any couple sex together to sustain and growth a population
