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What is the answer to a positive number mines a negative number if the number on the left side is positive and its bigger?
Wiki User
∙ 12y ago
I don't know
but I think it is always 0 or under
Wiki User
∙ 12y ago
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How did mines change since 1750 to 1900?
How did mines change since 1750 to 1900?
What is the difference between a drift and slope mine?
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Positive 73 is.
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519-972-1777 Windsor Salt Mines FAX #
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There is nothing negative about open pit mines in and of themselves. However, open pit mines have three problems. The first problem comes with what the mine owners do with the overburden over the ore. The second problem comes with what the mine owners do with the tailings. And the third problem involves what to do with the pit after the ore is extracted. Different governments handle it in different ways. In the United States, The State of Pennsylvania has a law that requires the mining company to restore the land. Where there were open pit mines, there are now beautiful meadows. In West Virginia were there were open pit mines, there are denuded hill tops and acid filled streams.
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Some positive effects of deep sea mining include increased access to resources and more jobs. It also reduces the strain on land based mines.
