Question

Write the story of formation of coal and petroleum

Answer 1

Long years ago when the plant and animal kingdom get buried under earth.Under high pressure and temperature the plant Kingdom turns into coal and animal kingdom
into petroleum by the process of carbonisation

Answer 2

coal- around 300 million years ago due to natural calamities like flood, earthquake, etc. trees were uprooted and got buried under the soil. as the pressure they got slowly convertd to coal.