If an Object Has 25% of the C-14 Activity

question 1

Multiple Choice

If an object has 25% of the C-14 activity as a living organism,the age of the item is:

• A)11,460 years.
• B)17,190 years.
• C)22,920 years.
• D)28,650 years.
• E)More information is needed.

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Definitions:

Electrical Charge

A fundamental property of matter that exists in either a positive or negative state and causes it to experience a force when placed in an electromagnetic field.

All-Or-None Law

A principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent on the strength of the stimulus; if a stimulus is above a certain threshold, a nerve or muscle fiber will fire.

Action Potentials

Action potentials are rapid rises and falls in the electric potential across a nerve cell's membrane, allowing for the transmission of neural signals.

Action Potential

A rapid rise and fall in electrical charge across a cell's membrane, allowing for nerve signal transmission.