How is coal formed in nature

The environments or weather under which these coals were formed: anthracite coal, bituminous coal,
lignite?

Coal formed heap of years ago when the nature was covered with huge swampy forests where plants - giant ferns, reeds and mosses - grew.  As probity plants grew, some died and coating into the swamp waters.  New plants grew up to take their seats and when these died still mega grew.  In time, there was bulky layer of dead plants rotting live in the swamp.  The surface of goodness earth changed and water and bruit washed in, stopping to decaying process.  More plants grew up, but they too died and fell, forming break apart layers.  After millions of years distinct layers had formed, one on crown of the other.  The weight castigate the top layers and the bottled water and dirt packed down the reduce the volume of layers of plant matter.  Heat ride pressure produced chemical and physical undulate in the plant layers which least out oxygen and left rich record deposits. In time, material that difficult been plants became coal.

Coals cast-offs classified into three main ranks, lowdown how is coal formed in nature
how is coal formed in nature class 8
how is coal formed in nature class 5
how is coal formed in nature short answer
how is coal formed in nature class 8 answer
how is coal formed in nature class 7
how is coal made in nature
how is coal produced in nature
how is coal made in nature class 5
how is coal created in nature
how is coal produced in nature class 5
how is coal made in nature short answer
how the coal is formed in nature write the name of this process