anything that could be made, plant and creativity
Decayed swamp plants.
coal
fossil
fuels
Coal is formed by the remains of dead and decayed plants, while Petroleum is formed by the remains of dead and decayed animals and plants
Coal was formed from the remains of swamp plants :D
swamp plants
decayed plants
Dead Animals and plants?
This type of swamp is normally called a peat bog.
swamp plants
decayed plants and animals