What Property of Half-Lives Makes Radioactive Material So Problematic

question 73

Multiple Choice

What property of half-lives makes radioactive material so problematic?

• A)There is no known way to shorten a half-life.
• B)Radioactivity is limited by the natural decay-time to stable isotopes.
• C)All half-lives are long.
• D)There is no known way to measure half-lives with any accuracy.
• E)both A and B

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Definitions:

Months

units of time in the calendar, typically used to measure periods of about 30 days long, which together constitute a year.

Simple Reflexes

Basic, automatic motor responses to specific stimuli, present from birth, illustrating the foundational aspects of human neurology.

Sensorimotor Thought

The first stage in Piaget's theory of cognitive development, where infants understand the world through their sensory experiences and motor actions.

Tertiary Circular Reactions

Repeated experimental behaviors in infants aged 12 to 18 months, part of their cognitive development, showing purposeful adaptation to new situations.