Question

by what mining method coal and petroleum is formed​

Answer 1

Answer:

Petroleum

Petroleum, also called crude oil, is a fossil fuel. Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria. Over millions of years of intense heat and pressure, these organic remains (fossils) transformed into carbon-rich substances we rely on as raw materials for fuel and a wide variety of products.

Explanation:

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Answer 2

Answer:

Coal and petroleum have been formed from remains of dead animals and plants which has been subjected to various biological and geological process. ... They were pressed down under the layer of earth and rock and slowly decayed into the coal under the high temperature and pressure.

Explanation:

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