Railway Recruitment Board General Awareness — Question 1660

Question

Metamorphic rocks originate from:

  1. only igneous rocks
  2. only sedimentary rocks
  3. both igneous and sedimentary rocks
  4. molten volcanic lava

Correct answer

C — both igneous and sedimentary rocks

Explanation (English)

Metamorphic rocks form when either igneous or sedimentary rocks are altered by heat and pressure.

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