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In the word hydraulic, you can see hydr-, which is part of the prefix hydro, which means water. That is a great way to remember what hydraulic mining is.
Hydraulic mining is when you use jets of water with tons of pressure to break down rocks when mining. This allowed for larger mining operations because the water did most of the work; the only labor the people had to do was deal with the water. They didn't have to take days picking at the rocks searching for stuff. This hydraulic mining allowed them to expose more minerals quicker because it broke down rocks so quickly.
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Answer:
march on washington a civil rights act
Explanation:
im in 7th grade and i know this we did a project on this type of lesson before the whole school at home thing
Answer:
Congress can aprove or deny a supreme court justice apointment
Answer:
Roosevelt and British Prime Minister Winston Churchill were crucial in the establishment of a unified effort to deal with the Axis powers. ... In July 1940 newly appointed Prime Minister Churchill requested help from FDR, after Britain had sustained the loss of 11 destroyers to the German Navy over a 10-day period.
Answer:
A. Increase the speed of the textile production
Explanation:
I just did it. Good luck (:
