Answer:
1. Distance
2. Displacement
3. Transverse Wave
4. Rayleigh surface waves / surface wave
5. parallel ("along") to the direction the wave travels
6. perpendicular to the direction of the wave's advance.
7. Average Speed
8. Wave Frequency
9. Pitch
10. Wavelength
11. amplitude of the wave
12. solids
13-15. transverse waves, longitudinal waves, and surface waves.
Explanation:
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