Question

Explane the process of formation of petroleum?

Answer 1

As millions ago humans died their body got buried in layers of the crust.

These layers experienced heat and pressure of the above layers.

Due to this the fossils transformed after going through certain chemical changes.

This turned them into petroleum.

Hope it helps.

Answer 2

Petroleum is formed from organisms living in the sea. As these organisms died, their bodies settled at the bottom of the sea and got covered with layers of sand and clay. Over millions of years, absence of air, high temperature and high pressure transformed the dead organisms into petroleum and natural gases.