Answer:

letter c

Explanation:

Particles of rock move forward and back during the passage of the P waves. Primary waves can travel through both fluids and solids. Secondary waves travel slower and follow primary waves, propagating as shear waves. Particles of rock move from side to side during the passage of S waves.

correct me if i'm wrong thank you

Question:

How rock particles move during the passage of a P wave through the rock?

Choices and Answer:

a. in a rolling circular motion

b. back and forth parallel to the direction of wave travel

c. back and forth perpendicular to the direction of wave travel

d. none of these the particles do not move​

Explanation:

Back and forth parallel to the direction of wave travel back and forth perpendicular to the direction of wave travel in a rolling circular motion

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