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Author Question: Low-grade ore deposits are those that are not economically exploitable. Indicate whether the ... (Read 20 times)

moongchi

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on: Jul 15, 2018
Low-grade ore deposits are those that are not economically exploitable. Indicate whether the statement is true or false.

Question 2

Toxic heavy metals are naturally present in mineralized areas all over the West, but the runoff water is
  not contaminated. Indicate whether the statement is true or false.



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Amiracle

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Reply #1 on: Jul 15, 2018
Answer to Question 1

F

Answer to Question 2

T


moongchi

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Reply 2 on: Jul 15, 2018
:D TYSM

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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