Question

Petroleum is a limited natural product obtained from:

• A. organism living on land
• B. organism living in sea
• C. Both A and B
• D. All of these

Answer 1

Answer: (B)

organism living in sea

Petroleum was 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.