Despite large concentrations of CO2 released by human activity, atmospheric CO2 is not as high as some would expect. Studies suggest the reason for this is
A) increased evapotranspiration activity by phytoplankton.
B) uptake of CO2 by oceans is offsetting atmospheric increases.
C) addition of new carbon sinks, such as large scale agricultural fields.
D) international treaties designed to combat atmospheric CO2 releases.
E) a so-called lag in atmospheric increases in CO2 caused by global circulation.
B
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A) Iridescent B) Refracted C) Reflected D) Infrared
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