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5. The Mauna Loa Observatory in Hawaii has been monitoring atmospheric levels of carbon dioxide since 1958.
Examine Appendix A, Keeling Curve Graphs. Graphs 1 and 2 represent the data collected at this observatory
over a period of a week and a month. Write down what you notice, if anything, about the concentration of
carbon dioxide.
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5. The Mauna Loa Observatory in Hawaii has been monitoring atmospheric levels of carbon dioxide sinc...
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