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Calculate the Percent Increase in CO2 Between 1960 (At 320

Question 62

Multiple Choice

Calculate the percent increase in CO2 between 1960 (at 320 ppm) and 2010 (at 400 ppm) .The best answer is Calculate the percent increase in CO<sub>2</sub> between 1960 (at 320 ppm) and 2010 (at 400 ppm) .The best answer is A) 20%. B) 25%. C) 80%. D) 400%.


A) 20%.
B) 25%.
C) 80%.
D) 400%.

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