The Geologic Time Scale Was Originally Based Upon ____

question 29

Multiple Choice

The geologic time scale was originally based upon ____.

• A) vertical  changes in fossil assemblages in sedimentary layers
• B) the theory of organic evolution
• C) the isotopes of minerals
• D) absolute ages of rocks based on radiometric age dates
• E) geographic mineral locations

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Definitions:

Distribution

The way in which something is shared out among a group or spread over an area, also used in statistics to describe the spread of values in a dataset.

Kurtosis

A statistical measure that describes the shape of a distribution's tails in relation to its overall shape, indicating the degree of outlier prominence.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values are from the mean.

Mean

The arithmetic average of a set of values, calculated as the sum of all values divided by the total number of values.