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Question

Explain how petroleum is formed with the help of a diagram. [5 MARKS]

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Solution

Process : 2 Marks
Diagram : 3 Marks

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 with high temperature, high pressure and in absence of air transformed the dead organisms into petroleum and natural gas.


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