choose the correct answer. when animals and plants decompose, what gas is produced? methane helium

choose the correct answer. when animals and plants decompose, what gas is produced? methane helium
Answer
Brief Explanations:
When animals and plants decompose in anaerobic conditions, bacteria break - down the organic matter and produce methane. Helium is a noble gas and not produced during the decomposition of organic matter.
Answer:
methane