Question

how was coal formed? ​

Answer 1

Answer:

Coal is formed when dead plant matter submerged in swamp environments is subjected to the geological forces of heat and pressure over hundreds of millions of years. Over time, the plant matter transforms from moist, low-carbon peat, to coal, an energy- and carbon-dense black or brownish-black sedimentary rock.

Explanation:

Answer 2

Answer:

Explanation:

Coal is formed due to the compression of plant material over millions of years. It has various forms due to the degree of compression, time of burial, and depth.