Engineering, 20.12.2019 06:31 KHaire6856

1. a major economic recession began in the united states and globally in 2008, and a drop in sand and gravel production and consumption is also observed in the mineral commodity summary. is this simply a coincidence, or is there a cause-and-effect relationship? explain your answer.

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1. a major economic recession began in the united states and globally in 2008, and a drop in sand an...