Which of the Following Accurately Compares CO2 Levels During Cold

question 67

Multiple Choice

Which of the following accurately compares CO2 levels during cold glacial periods and warm interglacial periods?

• A)CO2 levels of cold glacial periods were about the same as warm interglacial periods.
• B)CO2 levels of cold glacial periods were more variable than warm interglacial periods.
• C)CO2 levels of cold glacial periods were higher than warm interglacial periods.
• D)CO2 levels of cold glacial periods were lower than warm interglacial periods.

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