Some analysts suggest we can increase supplies of some minerals by extracting lower grades of ore.Which factor would not limit the mining of lower- grade ores?
A) increased cost of mining and processing the larger volumes of ore
B) increasing shortage of freshwater needed to mine and process ore
C) lack of new earth-moving equipment and mining techniques
D) environmental impact of increased land disruption
E) pollution produced during the mining and processing of ore

Question

Quizplus · Accepted Answer

The lack of new earth-moving equipment and mining techniques would not limit the mining of lower-grade ores because advancements in technology and methods are continuously being made, improving the efficiency and feasibility of mining operations.

Some Analysts Suggest We Can Increase Supplies of Some Minerals