Which Sample Would Be Appropriate for Dating by Means of Radioactive

question 229

Multiple Choice

Which sample would be appropriate for dating by means of radioactive carbon?

• A) A mastodon that is about 15,000 years old
• B) A Homo erectus skeleton thought to be around 800,000 years old
• C) The sediments of the Cretaceous Sea where they are now exposed on land
• D) An igneous intrusion from a 250-million-year-old volcano eruption
• E) Stromatolites containing 3-billion-year-old bacterial mats

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Definitions:

Display Rules

Culturally based guidelines that dictate the appropriate expressions of emotions for a given situation or role.

Discrepancy Theory

A theory that job satisfaction stems from the discrepancy between the job outcomes wanted and the outcomes that are perceived to be obtained.

Job Dissatisfaction

A negative emotional response towards one's job, resulting from a discrepancy between job expectations and realities.

Peripheral Route Persuasion

A method of persuasion that relies on cues outside of the message content, such as the attractiveness or credibility of the source.