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Underground miners formerly used headlamps
Underground miners formerly used headlamps in which calcium carbide (CaC2) was reacted with water to form acetylene (C2H2) gas
1 answer
asked by
Miranda
831 views
Based on these two graphs, which type of mining would be considered "safer" for miners?
(1 point) Responses Underground mining
1 answer
106 views
Which of these makes surface mining less risky than underground mining?
A. Open pits at surface mines replace biological
1 answer
56 views
Which of these makes surface mining less risky than underground mining?
A. Open pits at surface mines replace biological
1 answer
79 views
Which of these makes surface mining less risky than underground mining?
A. Open pits at surface mines replace biological
1 answer
61 views
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asked by
CharlesHuP
294 views
Earth Movers and Shakers operates 3 iron ore mines. This table shows their daily production rates given the number of miners at
1 answer
asked by
haley
1,292 views
Who was most successful in the Gold Rush?
* Miners who panned for gold in the rivers Miners who dug for gold with pickaxes
9 answers
21 views
How can both surface mining and underground mining affect miners health?
1 answer
63 views
What was a key difference between why most farmers and miners went out west?
(1 point) Responses Miners wanted to establish towns
1 answer
asked by
d
37 views