Question

How are coal and petroleum formed?​

Answer 1

Answer:

How coal and petroleum is formed?

Coal and petroleum have been formed from remains of dead animals and plants which has been subjected to various biological and geological process. ... They were pressed down under the layer of earth and rock and slowly decayed into the coal under the high temperature and pressure.

Answer 2

Coal and petroleum are fossil fuels.

These are formed due to burial of ancient plant material under earth's crust.

These are formed due to heat and compression.