An Old Bone Sample Contains 321 G of Carbon and Has

question 12

Short Answer

An old bone sample contains 321 g of carbon and has an activity of 947 decays/min due to the carbon-14 in it. The half-life of carbon-14 is 5730 y. Assume that the activity of the atmospheric carbon is, and has remained, 0.255 Bq per gram of carbon.
(a) How old is the sample?
(b) What will be the activity of the sample 2000 y from now, in decays per minute?

Learn about the welfare state, social insurance programs, and government transfers as measures to combat poverty and provide social protection.

Understand the philosophical perspectives on economic fairness and the role of government in redistributing resources.

Acknowledge the impact of medical science progress on health care costs.

Understand the concept and rationale behind means-tested programs and their specific examples.

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Definitions:

Dissociative Fugue

A psychological state in which a person loses awareness of their identity or other important autobiographical information and often involves unexpected travel away from home.

Missing Persons

Individuals who have disappeared for various reasons and whose status as alive or dead cannot be confirmed.

Dissociative Disorders

Disorders in which there is a break in conscious awareness, memory, the sense of identity, or some combination.

Conscious Awareness

The state of being aware of one's thoughts, memories, feelings, and surroundings at any given moment.