According to Figure 2, the average increase in COz concentration (in ppm) per year over the last 250 years is closest to which value?

Question

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0.5 ppm/year
2
1.0 ppm/year
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ISS se to oints e past will
1.5 ppm/year
2.5 ppm/year

Answer 1

The value closest to the average increase in CO2 concentration per year over the last 250 years, based on Figure 2, is 1.5 ppm/year.