Which one of the following ranges of percentage of increase of CO2in t – InterviewSolution

1.	Which one of the following ranges of percentage of increase of CO2in the atmosphere since 1750is correct
Answer» Answer: As ofDecember 2008, the CONCENTRATION of CO2 in Earth's atmosphere was about 386 PARTS PER million (ppm), with a steady recent growth rate of about 2 ppm per year. Current atmospheric CONCENTRATIONS of CO2 are about 30% higher than they were about 150 YEARS ago at the dawn of the industrial revolution.

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