I think the correct answer among the choices listed above is option B. Decrystallization is not a method by which minerals form. Decrystallization is the breaking down of the mineral's crystalline structure therefore forming other products not a mineral.
Answer:
<h2> Andaman</h2>
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Answer: Gneiss is a type of metamorphic rock that forms when a sedimentary or igneous rock is exposed to extreme temperatures and pressure
Explanation: