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29. How do rock particles move during the passage of a Primary wave (P-waves) through the rock?
A. the particles do not move
B. in a rolling circular motion
C. back and forth parallel to the direction of wave travel
More explanation about this question...
https://brainly.ph/question/20045679
30. Which layer of the earth does the S-wave do not travel?
B. crust
C. mantle
D. moho
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