Which of the Following Describes the Concentration of CO2 in the Lower

question 11

Multiple Choice

Which of the following describes the concentration of CO2 in the lower atmosphere?

• A)It is 30 percent higher than it was 300 years ago.
• B)It has stabilized.
• C)It is not related to the amount of forest cover on Earth.
• D)The present average measurement is 150 ppm.

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Intercultural Communication

The process of exchanging meaningful information between individuals from different cultural backgrounds.

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