如果佢哋無腐爛 ， 佢哋就會慢慢氧化 最終啲草會窒息同死亡 亦剩返木本植物先生存到 土地就會無遮掩 ， 釋出碳元素
If they don't rot, they will slowly oxidize, and eventually the grass will suffocate and die, and the woody plants will be left uncovered when they are left in the land, releasing carbon