A Sample of Wood from an Egyptian Mummy Case Gives

question 54

Multiple Choice

A sample of wood from an Egyptian mummy case gives a ¹⁴C count of 9.1 cpm/gC (counts per minute per gram of carbon) . How old is the wood? (The initial decay rate of ¹⁴C is 15.3 cpm/gC, and its half-life is 5730 years.)

• A) 3.4  10³ years
• B) 4.3  10³ years
• C) 4.9  10³ years
• D) 1.9  10³ years
• E) 3.0  10³ years

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Definitions:

Behavioral Norms

Established patterns of behavior that are considered acceptable or expected within a group or society.

Ingrained

Deeply embedded or established, often referring to habits, beliefs, or practices that are difficult to change.

Justifications

Reasons or arguments presented to support or defend actions, decisions, or beliefs.

Extrinsic Motivation

The drive to perform activities due to external rewards or pressures, rather than for the enjoyment of the activity itself.