Question

Arrange the events involved in the formation of coal in the order they occurred. 1.Organisms died and were buried on the ocean floor and in swampy areas.
2.Plants and trees inhabited the land and the seas about 300 million years ago. 3.Layers of silt and sand covered their bodies.
4.The enormous heat and pressure formed coal over millions of years.
5.The organic matter in their bodies was subjected to great heat and pressure deep inside the crust.

Answer 1

The steps of the formation of fossil fuels are:
Plants and trees inhabited the land and the seas about 300 million years ago. 
Organisms died and were buried on the ocean floor and in swampy areas.
Layers of silt and sand covered their bodies. 
The organic matter in their bodies was subjected to great heat and pressure deep inside the crust.
The enormous heat and pressure formed coal over millions of years.