Each choice below describes how a few astronomical phenomena are related to time periods.

Question
Each choice below describes how a few astronomical phenomena are related to time periods. Which list is entirely correct? (Careful: some lists are partially correct.) – Q/A (Question and Answer)

Test Answer

Answer:

Earth’s rotation defines a day. The cycle of the Moon’s phases takes about a month. Earth’s orbit defines a year. Earth’s cycle of axis precession takes 26,000 years. Earth’s rotation defines a day.

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