It is both biotic and abiotic
Answer:
Carbon dioxide
Explanation:
The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
sapropollenin i<span>s a polymer that tesist all kinds of environmental damages</span>
I think it's hydrothermal vents? hope its right because I have short term memory loss.