Which of the Following Is Not a Very Long-Lived,radioactive Isotope

question 18

Multiple Choice

Which of the following is not a very long-lived,radioactive isotope?

• A)U-238
• B)K-40
• C)Rb-87
• D)C-14

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Definitions:

Bipolar Disorder

A mental illness marked by extreme mood swings from highs (mania or hypomania) to lows (depression).

Mood Swings

describe rapid and intense changes in emotion, which can range from euphoric highs to depressive lows, and may affect an individual's behavior and reactions.

Manic Episodes

Periods of abnormally elevated mood, energy levels, and activity, often associated with bipolar disorder.

Depression

A mood disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.