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How have carbon dioxide levels in the atmosphere changed over the past 300 years? When have the levels changed the most?

How have carbon dioxide levels in the atmosphere changed over the past 300 years When have the levels changed the most class=


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Answer: Carbon dioxide levels have increased over the past 300 years. The levels have changed the most from 1950 to present day.

Explanation: The graph of carbon dioxide levels is constantly increasing over time, indicating an increase in CO2 levels over the 300 year period. In addition, the slope of the increase is greatest beginning in the year 1950, as that is when the slope of the line is the steepest.

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