Biology, 20.09.2019 09:30 carapiasebas

According to the usgs, how much total copper was contained in world reserves as of 2018?
a. 45 million tons
b. 300 million tons
c. 5 million tons
d. 790 millions tons

Answers: 3

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According to the usgs, how much total copper was contained in world reserves as of 2018?
a. 4...