Rare-earth elements are called that because they are very rare. Indicate whether the statement is ...

Author Question: Rare-earth elements are called that because they are very rare. Indicate whether the statement is ... (Read 119 times)

APUS57

Hero Member
Posts: 571

on: Jul 15, 2018

Rare-earth elements are called that because they are very rare. Indicate whether the statement is true or false.

Question 2

Due to the long history of environmental damage from acid-mine drainage, present-day mines can no
longer be developed in a sulfide ore body. Indicate whether the statement is true or false.

kkenney

Sr. Member
Posts: 352

Reply #1 on: Jul 15, 2018

Answer to Question 1

T

Answer to Question 2

F

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APUS57

Hero Member
Posts: 571

Reply #2 on: Jul 15, 2018

Correct answers!

kkenney

Sr. Member
Posts: 352

Reply #3 on: Jul 15, 2018

Great! Please up vote

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Author Question: Rare-earth elements are called that because they are very rare. Indicate whether the statement is ... (Read 119 times)

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