Which Sample Would Not Be Appropriate for Dating by Means

question 97

Multiple Choice

Which sample would not be appropriate for dating by means of radioactive potassium?

• A) A Homo erectus skeleton thought be around 800,000 years old
• B) An igneous intrusion into the sediments of the Cretaceous sea where they are now exposed on land
• C) An igneous intrusion from a 250-million-year-old volcano eruption associated with the Permian mass extinction
• D) An igneous intrusion into the sediments of the Cambrian sea where they are now exposed on land
• E) Stromatolites containing 3-billion-year-old bacterial mats

---

Definitions:

Dividend Income Distributions

The payment of earnings declared by a company to its shareholders, typically in the form of cash or additional shares.

Net Asset Value

The value per share of a mutual fund or an exchange-traded fund (ETF), calculated by dividing the total value of all the securities in the portfolio, minus any liabilities, by the number of shares outstanding.

Year-End Assets

The total value of all assets held by an individual or entity at the conclusion of a financial year.

Liabilities

Financial obligations or debts owed by a business or individual.