Answers

14.不用死背
看到潮汐圖就先畫出海水(如附圖)(月球引力會吸引海水)
甲和丙正處於滿潮(海水最高)
乙和丁則在乾潮(海水最低)

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13.
A)月亮在中間(如附圖)
B)晚上不會出現月食
C)、D)當天約為農曆初一→新月(整夜看不到月亮)

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