A.synchronous rolling occurs
B.roll period decreases
C.roll period increases
D.roll amplitude is dampened
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A.falling
B.rising
C.constant
D.same
A.rain
B.frost
C.sleet
D.snow
A.sea
B.current
C.tide
D.swell
A.above
B.below
C.equal to
D.uncertain
A.varies
B.maintains
C.Shifts
D.assembles
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