The Utility of Stratigraphy for Dating Purposes Is Based on the Fact

question 10

Multiple Choice

The utility of stratigraphy for dating purposes is based on the fact that

• A) all environmental forces leave behind the same kind of soil deposit.
• B) the depth and order of undisturbed soil strata reflect the age of their deposition.
• C) higher strata are usually older than lower strata in undisturbed soil.
• D) soil strata are uncluttered by bones, stones, and artifacts.
• E) once in the soil, there are very few things that can damage or disturb bones.

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Definitions:

Skin Effect

The tendency of electrons to move toward the outside of a conductor in an AC circuit.

High-frequency

Refers to electromagnetic waves with frequencies much higher than those audible to humans, often associated with radio frequencies and microwave communications.

In Phase

A condition that occurs when voltage and current reach all peak values at the same time.

Out of Phase

A condition where two waveforms of the same frequency are not aligned in time, resulting in a phase difference.