alleryPetroleum and natural gas formed largely from the sedimented remains of
Aforest trees and ferns
Btiny aquatic plankton
Clarge land dinosaurs
Dtall mountain grasses
Answer & Solution
Correct answer: B. tiny aquatic plankton
1. Tiny aquatic organisms died and sedimented under anoxic conditions.
2. Anaerobic decomposition then began forming petroleum and natural gas.
3. Terrestrial plants mainly form coal.
_Source: Wikipedia, Fossil fuel, Origin_
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