Bacteria and other organisms “eat” the wood, and then “breath” out CO2 (and sometimes methane). https://en.wikipedia.org/wiki/Soil_respiration?wprov=sfti1# htt

Bacteria and other organisms “eat” the wood, and then “breath” out CO2 (and sometimes methane). https://en.wikipedia.org/wiki/Soil_respiration?wprov=sfti1# https://en.wikipedia.org/wiki/Soil_respiration?wprov=sfti1#