Levels of atmospheric carbon dioxide

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Examine the graph below showing the levels of atmospheric carbon dioxide and the pH levels of the ocean from Mauna Loa Observatory in Hawaii.

1. Calculate the percent change in CO2 concentration between 1975 and 2005. Show your work.

2. Describe the relationship between CO2 concentration and oceanic pH.

3. If global temperature was plotted on this graph, describe the shape of the graph. Identify which variable, CO2 concentration or oceanic pH, is directly related to the global temperature. Describe how this relationship occurs.

4. Identify one anthropogenic source of CO2 and one natural source of CO2.

5. Describe two carbon cycle processes that can reduce the carbon dioxide levels in the atmosphere.

Reference no: EM133416377

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