Of an Original Amount of Radioactive Parent Isotope, 25% Remains

question 52

Multiple Choice

Of an original amount of radioactive parent isotope, 25% remains and 75% has decayed. How many half- lives have elapsed?

• A) 2.0
• B) 0.5
• C) 3.0
• D) 1.5

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Definitions:

Environmental-mold Traits

Environmental-mold traits suggest that an individual's characteristics and behaviors are shaped or molded by their environment rather than inherited genetically.

Constitutional Traits

Inherent qualities or characteristics of an individual, determined by genetic factors and early life experiences, that influence their physical, mental, and emotional constitution.

Dynamic Traits

Refer to characteristics of an individual’s personality that are adaptive and can change in response to different situations or over time.

Assessment Technique

A method or procedure used to evaluate or measure an individual's ability, skill, competence, or characteristic.