Fossil fuels are formed from dead organisms over time.
Decomposers decay dead organisms or their wastes.
Fossil fuels are formed over time from something decomposers decay .
What is formed over time from something decomposers decay?
Options:
1) bamboo
2) Enzymes
3) barrier reefs
4) bodies of water
5) animal waste
6) Fossil fuels
7) peachleaf willow
8) Sediment