Question

What are the layers of coal formed called​

Answer 1

Answer:

Explanation:

Layers of coal are called seams; layers of rock, strata. Coal seams and other layers of rock in an open-cast mine.

HOPE IT WILL HELPS YOU.....

Answer 2

Answer:

there are four stage in coal formation peat, lignite , bituminous and anthracite. the stage depends upon the conditions to which the plants remains are subjected after they were buried. the greater the pressure and heat, the higher rank of coal.

Explanation:

i hope its helpful