Translation Factor: In order to raise the concentration of CO2 in the atmosphere by 1 molecule part per million (ppm), ____ gigatons of CO2 must be put into the atmosphere.
A、2.9
B、6.1
C、7.2
D、1.8
E、7.8
发布时间:2024-12-16 16:24:24
A、2.9
B、6.1
C、7.2
D、1.8
E、7.8