Why Does a Potassium-Argon Dating Time Scale Reset During Heating

question 52

Multiple Choice

Why does a potassium-argon dating time scale reset during heating?

• A) Expansion of the crystal structure may permit the loosely caged argon atoms to escape.
• B) Reduction of the crystal structure may permit the loosely caged argon atoms to escape.
• C) It gets so hot that it throws off the time scale.
• D) This does not happen.

---

Definitions:

Equilibrium

A state in which market supply and demand balance each other, resulting in stable prices.

Semistrong Efficient

A term from the Efficient Market Hypothesis indicating that all public information is reflected in stock prices, along with all historical data.

SML

The Security Market Line, a graphical representation of the capital asset pricing model (CAPM), showing the expected return of investments as a function of their beta or systemic risk.

Expected Return

The anticipated profit or loss from an investment over a specified period, factoring in all possible scenarios.