A 1-Gram Sample of Wood Is Taken from an Ancient

question 33

Multiple Choice

A 1-gram sample of wood is taken from an ancient site.If the Carbon-14 activity of the sample is 30.5% that of present-day organic material,what is the age of the wood? (T_1/2 for ¹⁴C is 5 730 years)

• A)3,980 years
• B)6,800 years
• C)5,200 years
• D)9,820 years
• E)​10,920 years

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Definitions:

Nondeclarative Memory

A type of long-term memory that stores skills, habits, and learned responses that can be expressed without conscious thought.

Long-term Memory

The phase of the memory system that is capable of storing information for long periods, sometimes throughout life.

Episodic Memory

The ability to recall specific events from one's past, including the context in which they occurred.

Semantic Memory

A type of long-term memory involving the capacity to recall words, concepts, or numbers, which is essential for the understanding of language and ideas.