The 650,000-year record for carbon dioxide (CO2) Climate reconstructions indicate that carbon dioxide (CO2) levels have consistently decreased over the past 650,000 years. are at the highest levels now of any time during the past 650,000 years. have fluctuated over the past 650,000 years, so recent upward trends are not a concern. were highest approximately 350,000 years ago and have decreased since. O have steadily increased (with some minor fluctuations) over the past 350,000 years.

The 650,000-year record for carbon dioxide (CO2) Climate reconstructions indicate that carbon dioxide (CO2) levels have consistently decreased over the past 650,000 years. are at the highest levels now of any time during the past 650,000 years. have fluctuated over the past 650,000 years, so recent upward trends are not a concern. were highest approximately 350,000 years ago and have decreased since. O have steadily increased (with some minor fluctuations) over the past 350,000 years.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.70PAE

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