Question

describe the formation of petroleum and its refining

Answer 1

Petroleum (also known as crude oil or simply oil) is a fossil fuel that wasformed from the remains of ancient marine organisms. Millions of years ago, algae and plants lived in shallow seas. After dying and sinking to the seafloor, the organic material mixed with other sediments and was buried.

Answer 2

Formation of petroleum:

it was formed aquatic living organisms. when they die, their bodies settle down at the bottom of the sea and got covered with layers of sand and clay. over million years in the absence of air,in high temperature and high pressure dead remains transformed into petroleum.

refining:

the process of separating various constituent fractions of petroleum .

hope it helps!!