Which Statement Is a CORRECT Description of the Rotation of Earth

question 192

Multiple Choice

Which statement is a CORRECT description of the rotation of Earth?

• A) The average length of a day is gradually getting longer because Earth's rate of rotation is slowing down.
• B) The average length of a day varies unpredictably from one year to the next because of the combined effects of solar and lunar tides.
• C) The average length of a day is gradually getting shorter because Earth's rate of rotation is speeding up.
• D) The average length of a day is constant from year to year because nothing can change the speed of rotation of Earth.

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Definitions:

Range

A measure of variability. The difference between the highest score and the lowest score.

Nominal Scale

A classification system that categorizes data into discrete categories without any numeric or ordered value.

Central Tendency

A statistical measure that identifies a single value as representative of a data set, like the mean, median, or mode.

Measure

A tool or method used to quantify the characteristics or properties of subjects under investigation.