1. a seismograph station is located 2000 km from an earthquake’s epicenter. explain the order that the s and p waves will arrive at the station. using what you know about the characteristics of the different waves, explain your answer.

Why is metal often used for cooking pan?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?