In an Unweathered Sample of Igneous Rock,the Ratio of an Unstable

question 5

Multiple Choice

In an unweathered sample of igneous rock,the ratio of an unstable isotope to its stable daughter isotope is 1/15.If no daughters were present at the time the rock cooled below closure temperature,and the half-life of the reaction is 50 million years,how old is the rock?

• A) 200 million years
• B) 400 million years
• C) 750 million years
• D) none of the above

Understand the basic principles of supply and demand in economics.

Comprehend how changes in price affect quantity demanded and supplied.

Distinguish between movements along the curve and shifts of the curve in demand and supply analysis.

Grasp the concept of elasticity in both demand and supply contexts.

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Definitions:

Stock Market

A marketplace where securities such as stocks and bonds are bought and sold, providing companies with access to capital and investors with a slice of ownership in companies and potential income.

Government Bonds

Debt securities issued by a government to support government spending and obligations, typically offering a fixed rate of return over a certain period.

Volatile

Referring to a substance that changes state or quality easily, or, in financial contexts, to markets or prices that change rapidly and unpredictably.

Venture Capital Fund

A pool of money managed by professionals that is used to invest in high-growth potential startups and early-stage companies.