Which substance is absorbed in large quantities by rain forests? carbon dioxide acid rain ozone oxygen

Carbon dioxide

The rain forests receives adequate annual rainfall per year. It can sustain diversity of life forms. Plants grows abundantly in rain forests. It is evident that these forests are the carbon sinks which means trees and plants in the forests absorbs carbon dioxide from the atmosphere for photosynthesis. Hence, reduces the level of carbon dioxide which is potent air pollutant gas.