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Which of the following rock contain coal and petroleum ?

  • A.Granite
  • B.Igneous
  • C.Metamorphic
  • D.Sedimentary

Answer: D

Coal and petroleum are found in Sedimentary rocks.

Both are fossil fuels formed from organic matter buried in layers of sediment. Coal forms from plant remains compressed over millions of years in sedimentary basins, such as India's Gondwana basins, and petroleum from marine organisms trapped and heated in sedimentary strata, where porous rocks like sandstone hold it.

Igneous rocks, such as granite, form from cooled magma, and metamorphic rocks form when existing rocks are altered by heat and pressure. Both processes would destroy organic material, so they do not contain coal or oil.

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