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Science or Environmental Science
Atmospheric Chemistry or Climate Change
Concentration of CO2 in the Atmosphere
3. According to Figure 1, the highest recorded concentration of atmospheric COz prior to 1950 was closest to which of the following?
A
180 ppm
B
230 ppm
C
300 ppm
D
390 ppm
1 answer
Based on Figure 1, the highest recorded concentration of atmospheric CO2 prior to 1950 is closest to option C, 300 ppm.
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