Radioactive Isotopes Are Used in Dating Materials from the Distant $\pm$

question 37

Multiple Choice

Radioactive isotopes are used in dating materials from the distant past.Which of the following statements about radioactive dating techniques is true?

• A)It gives the general ages of rock stratA.( \(\pm\) 1 million years).
• B)It gives exact ages of rock strata.( \(\pm\) 1 year).
• C)It uses a technique in which the degree of radioactive decay is measured,the younger the rock the more radioactive decay.
• D)It uses a technique in which the degree of radioactive decay is measured,the older the rock the more radioactive decay.
• E)It does not work well with fossil remains that have not absorbed radiation.

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Definitions:

Operating Activities

Activities that relate directly to the operations of a company, including cash flows from selling goods and services.

Indirect Method

A method for preparing the cash flow statement where net income is adjusted for changes in balance sheet items to calculate cash flow from operating activities.

Depreciation Expense

This is the systematic allocation of the cost of a tangible asset over its useful life.

Investing Activities

Financial transactions and decisions related to acquiring or disposing of long-term assets and investments that can affect a company's capital structure.