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Knowledge Booster

Ex: When an oil well is drilled through rocks, which of the following comes out first?

A) Coal gas

B) Marsh gas

C) Natural gas

D) Carbon dioxide

Explanation: In the oil wells along with petroleum, natural gas also exists. It comes out first when an oil well is drilled through rocks.

Matloob

Class 10 - Triangles

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Akash Dixit

Class 9 - Introduction to Euclids Geometry

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Shweta Singla

Class 10 - Real Numbers

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Suryaprakash Singh

Class 9 - Coordinate Geometry

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