Question

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.

Answer 1

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.