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Deck: General Navigation

Question 1,391 of 2,138

An important lunar cycle affecting the tidal cycle is called the nodal period. How long is this cycle?

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Mariner discussion

Comments from mariners who studied this question.

Ce CeCe · Jul 12, 2017

What is he different answers in different colors?

ma major · Jul 12, 2017

Green=correct, Red=your incorrect choice, Orange=Choice but you will only see answer at end of test