MCQ
A – Quartzite, a metamorphic rock, is harder than steel.
R – It does not easily react physically but is easily fractured by chemical weathering.
  • A
    Only A is correct.
  • B
    Only R is correct.
  • C
    Both A and R are correct and R is the correct explanation of A.
  • D
    Both A and R are correct but R is not the correct explanation of A.

Answer

Both A and R are correct but R is not the correct explanation of A..

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