The correct response is C: coal.
Coal is formed from the remains of ancient plants that decomposed in swampy environments under layers of sediment and rock over millions of years.
Primordial swamps decomposing under ancient seas and tons of rock layers gave rise to an important fuel used today. That fuel is
Responses
A natural gas.natural gas.
B radon.radon.
C coal.coal.
D oil.
1 answer