Final answer:
The correct statement regarding the 29.5 day lunar cycle is that the dates for Easter are based on this cycle, not because this cycle is known as the metallic cycle, repeats every 19 years, is the Saros cycle, or was discovered during Galileo's time.
Step-by-step explanation:
The 29.5 day lunar cycle is also known as the synodic month. The correct statement regarding this cycle would be B: The dates for Easter are based on this cycle. Easter is traditionally celebrated on the first Sunday after the first full moon following the vernal equinox, meaning it does heavily rely on lunar cycles. This does not have to do with the earth's axis being tilted (a), does not repeat every 19 years (c), is not the Saros cycle (d), and was known before the time of Galileo and the development of the telescope (e).
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