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Which term refers to an early system of paving roads with crushed rock and asphalt? A. . corduroy B. macadam C. cobblestone D. concrete

User Clinyong
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The answer is B. Macadam
User Hamedkh
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The term that refers to an early system of paving roads with crushed rock and asphalt is macadam. The correct answer is B. 
User Albfan
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