Question

Name the process in which deep wells are bored to take out petroleum and natural gas.​

Answer 1

Answer:

Petroleum and natural gas occur far below the earth's surface. Deep wells are bored to take them out, this is called drilling (Fig 3.4). Minerals that lie near the surface are simply dug out, by the process known as quarrying. Minerals occur in different types of rocks.

Answer 2

Petroleum and natural gas occur far below the earth's surface. Deep wells are bored to take them out, this is called drilling (Fig 3.4). Minerals that lie near the surface are simply dug out, by the process known as quarrying. Minerals occur in different types of rocks.

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