According to Ice Core Data

question 15

Multiple Choice

According to ice core data

• A)carbon dioxide concentrations have cycled over the last 800,000 years,but current concentration is higher than anytime over the last 800,000 years.
• B)carbon dioxide concentrations today are part of the normal cycling that has occurred over the last 800,000 years.
• C)carbon dioxide concentrations today are less than the highest concentration during the last 800,000 years.
• D)carbon dioxide concentrations over the last 800,000 years averaged 278 ppm,which is about the same as carbon dioxide concentrations today.
• E)carbon dioxide concentrations today are higher than the average over the last 800,000 years,but not higher than the highest concentration measured about 350,000 years ago.

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Investigators

Individuals who carry out a formal inquiry or systematic study, often used in the context of police, scientific, or academic research.

Display Rules

Socially learned norms that dictate the appropriate emotional expressions in various situations.

Culture

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Visible manifestations of one's internal emotional states on their face, used as a primary means of non-verbal communication.