The table below shows data collected in an experiment about gases in inhaled and exhaled air. Percentages of Chemicals in Air

O2
CO2
Inhaled
20.94%
0.03%
Exhaled
16.37%
4.46%

Suppose a similar experiment was set up to measure changes in air composition immediately before and two days after twenty potted plants were placed in a clear, sealed aquarium near a window.

Percentages of Chemicals in Air

O2
CO2
Before
20.94%
0.03%
After
?
?

How would the second row of values in the plant experiment most likely compare to the second row of values in the original experiment?