That source may be the ocean, a lake, a river, or even aquifer.
Coal was formed from the remains of swamp plants :D
A swamp
swamp
It was formed when the Atlantic Ocean flooded.
Coal is the solid fossil fuel formed from the remains of swamp plants that grew millions of years ago.
coal. coal is formed.
It was formed when the Atlantic Ocean flooded.
Okefenokee swamp
It was formed by rain so it is a destructive.
Swamp vapor, or swamp gas, is methane gas. The methane gas is formed when the organic material in a swamp decays in the absence of air.
It was formed by rain so it is a destructive.
formed from the decaying organic matter in swamps