Each Choice Below Describes How a Few Astronomical Phenomena Are

question 2

Multiple Choice

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. )

• A)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.
• B)Earth's rotation defines a day. The cycle of the Moon's phases takes about a week.
• Earth's orbit defines a year.
• Earth's cycle of axis precession defines a month.
• C)Earth's rotation defines a day. The Sun's rotation defines a week.
• The Moon's rotation defines a month.
• Earth's orbit defines a year.
• D)Earth's rotation defines a day. The saros cycle of eclipses defines a month.
• Earth's orbit defines a year.
• Earth's cycle of axis precession takes 26,000 years.

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Definitions:

Causal Relationship

The relationship between two variables where changes in one variable directly cause changes in the other.

Statistically Significant

A determination that the observed results in a study are unlikely to have occurred by chance, indicating a real effect within a predetermined level of confidence.

Enhanced Functioning

The improvement or optimization of physical, mental, or social abilities beyond typical or expected levels.

Treatment Package

A comprehensive set of therapeutic interventions designed to address a specific condition or set of symptoms.