Fossil fuels<span> are </span>fuels formed<span> by natural </span>processes<span> such as anaerobic decomposition of buried dead organisms</span>
Hmmmm..... I think it would be biotic and non-living.
It would be biotic because it came from something that was living (a tree), but it's not living now so it would also be non-living.
Hope it helped!
Answer:
sorr i practicing spanish
Explanation:
Todas las partes del cuerpo (músculos, cerebro, corazón e hígado) necesitan energía para funcionar.