11. It is a series of sounds caused by the reflection of sound waves from a surface back to the listener.
12. It is changing one energy into another energy.
13. It is a transducer device that changes information from one form to another.14. Specialist who tracks earthquakes by means of sound.
15. It is the ability to do work.
12. It is changing one energy into another energy.
13. It is a transducer device that changes information from one form to another.14. Specialist who tracks earthquakes by means of sound.
15. It is the ability to do work.
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Answer:
11)echo
12)energy transformation
13) speaker
14)seismologist
15) energy
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