History, 12.12.2019 00:31, maderaada

Question 11 of 33 how did the invention of hydraulic mining allow for larger mining operations? a. air blown at high pressure could remove unwanted materials from steel. b. water released at high pressure could move large rocks out of the way. c. new tools were better able to cut through shallow grass and rocks in the soil. d. wind power could be used to pump water and produce electricity.

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Question 11 of 33 how did the invention of hydraulic mining allow for larger mining operations? a....