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Science 3-1
| Question | Answer |
|---|---|
| wave | the movement of energy through a body of water |
| wavelength | the horizontal distance between crest |
| frequency | the number of waves that pass a point in a certain amount of time |
| wave height | the vertical distance from the crest to the trough |
| tsunami | usually caused by earthquakes beneath the ocean floor |
| rip current | a rush of water that flows rapidly back to sea throw a narrow opening |
| groin | a wall build out of rocks or concrete to help reduce erosion |