(A) 75% lime stone and 25% clay
(B) 25% lime stone and 75% clay
(C) 15% lime stone and 55% clay
(D) 55% lime stone and 15% clay
(A) 75% lime stone and 25% clay
(B) 25% lime stone and 75% clay
(C) 15% lime stone and 55% clay
(D) 55% lime stone and 15% clay
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