Coal Coal is a sedimentary/metamorphic rock produced in swamps where there is a large-scale accumulation of organic matter from plants.
(Coal Coal; is; a sedimentary/metamorphic rock produced in swamps) (a sedimentary/metamorphic rock; produced; L:in swamps)
Coal Coal a sedimentary/metamorphic rock
is produced
a sedimentary/metamorphic rock produced in swamps
L:in swamps