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An important lunar cycle affecting the tidal cycle is called the nodal period. How long is this cycle?
A) 18 days
B) 19 years
C) 6 years
D) 16 days
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Comments
major - 2017-07-12 10:31:53
Admin (6)
Green=correct, Red=your incorrect choice, Orange=Choice but you will only see answer at end of test
CeCe - 2017-07-12 00:15:53
Member (1)
What is he different answers in different colors?
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