In spite of the fact that this situation is probably not going to occur, rotenone is poisonous in light of the fact that it meddles with the electron transport chain (ETC) in mitochondria, so NADH would develop as recommended.
Colder temperatures that last for a short period of time such as 3-4 days.
The answer to your question is bacteria
I see someone answering for u
Metamorphic rock.hope you pass