Coal is used to produce electricity by burning in coal-fire power stations.
Swamp vegetation was compressed to form coal.
Swamp vegetation is used to produce electricity by burning in power stations.
what is used to produce electricity by burning in power stations?
Options:
a: dried mud
b: small animals
c: heat energy
d: chemical reaction
e: carbon dioxide
f: swamp air
g: hydrogen and oxygen
h: swamp vegetation