Question

Define petroleum briefly as source of organic compound.
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Answer 1

petroleum a thick black liquid fossil fuel which is found between the layer of rocks and drilled from the oil fields

Explanation:

1) petroleum is known as Black gold also because it have a huge price in the market

Answer 2

Answer:

Petroleum,also called crude oil ,

is a fossil fuel.

...Over millions of years of intense heat and pressure, these organic remains (fossil) transformed into carbon-rich substances we rely on as raw materials for fuel and a wide variety of products.

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