A pattern that at the crest the motion of each particle is forward and at the trough it is backward relative to the wave's motion is ______．A.a trochoidB.a spheroidC.a loxodromeD.a carene
A pattern that at the crest the motion of each particle is forward and at the trough it is backward relative to the wave's motion is ______．
A.a trochoid
B.a spheroid
C.a loxodrome
D.a carene
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