The Charcoal from a Tree Killed in a Volcanic Eruption

question 68

Multiple Choice

The charcoal from a tree killed in a volcanic eruption contained 64.9% of the carbon-14 found in living matter. How old is the tree, to the nearest year? Use 5700 years for the half-life of carbon-14.

• A) 3555 years
• B) 2464 years
• C) 5700 years
• D) 1708 years

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Definitions:

Physical Attractiveness Stereotype

The inclination to believe that people who are visually appealing also have other appealing social characteristics.

General Expectation

A broad anticipation or belief about what will happen in the future, often based on past experiences or societal norms.

Familiarity Effect

A psychological phenomenon where people develop a preference for things simply because they are familiar with them.

Attractive Student

A pupil who is considered pleasing or appealing to the senses, often influencing social interactions and perceptions.