What is a wave?
A. a circular path for energy
B. a back and forth or up and down motion
...
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Biology, 13.01.2021 21:40 alliaespino
What is a wave?
A. a circular path for energy
B. a back and forth or up and down motion
carrying energy
C. a straight line of matter
D. a material that transfers energy
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Answers: 1
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