In an experiment investigating the effect of CO2 on starch production, soda lime is placed with one plant while sodium hydrogencarbonate is placed with another. What do these substances respectively do in the experiment?
1 )
Soda lime provides CO2 while sodium hydrogencarbonate absorbs it
Soda lime absorbs CO2 while sodium hydrogencarbonate provides it
3 )
Both substances provide CO2 but at different concentrations
4 )
Both substances absorb CO2 but through different mechanisms
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