How Many Half-Lives Has a Fossilized Tree Undergone If It

question 69

Multiple Choice

How many half-lives has a fossilized tree undergone if it contains 12.5% of its original carbon-14?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 16

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Definitions:

Construct Validity

Construct validity is demonstrated when the measures of one concept or construct agree with the measures of other related concepts.

"Real-World" Outcomes

describe the actual results or impacts of interventions, policies, or research findings in natural, uncontrolled environments.

Reliability

The consistency of a measurement, test, or research findings across different occasions and contexts.

Validity

The extent to which a test, measurement, or research study accurately reflects or assesses the concept it is intended to measure.