If Three Samples Have the Half-Lives Listed Below,which Sample Would

question 29

Multiple Choice

If three samples have the half-lives listed below,which sample would remain radioactive the longest?

• A)a sample with a half-life of 20 minutes
• B)a sample with a half-life of 20 hours
• C)a sample with a half-life of 20 years
• D)a sample with a half-life of 20 million years
• E)none of the above

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Definitions:

Total Institutions

are places of residence and work where large numbers of individuals, cut off from the wider society, lead an enclosed, formally administered life.

Summer Camps

Organized programs that provide recreational or educational experiences for children and teenagers during the summer months, often involving outdoor activities and skill development.

Social Isolation

A state where an individual lacks a sense of social belonging, true engagement with others, and fulfilling relationships.

Caregivers

Individuals who provide care to others, especially to children, the elderly, or the disabled, often involving emotional, physical, and logistical support.