The ¹⁴C Activity of Some Ancient Peruvian Corn Was Found

question 30

Multiple Choice

The ¹⁴C activity of some ancient Peruvian corn was found to be 10 disintegrations per minute per gram of carbon. If present-day plant life shows 15 dpm/g, how old is the Peruvian corn? (The half-life of ¹⁴C is 5730 yr.)

• A) 1460 yr
• B) 1910 yr
• C) 3350 yr
• D) 3820 yr
• E) 9080 yr

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Definitions:

Market Imperfection

Any deviation from the ideal conditions of a fully competitive market, which may lead to inefficient market outcomes.

Persistent Wage Differentials

The continuous difference in wages across sectors, regions, or occupations due to factors like differences in skill levels, working conditions, or geographic location.

Principal-Agent Problems

Issues that arise when a principal hires an agent to perform tasks, and the agent's best interest does not align with the principal's.

Human Capital

The skills, knowledge, and experience possessed by an individual or population, viewed in terms of their value to an organization or society.