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Author Question: Archean rocks in South Africa have yielded more than 50 of the world's ____ since 1886. A)lead ... (Read 82 times)

dalyningkenk

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on: Jul 13, 2018
Archean rocks in South Africa have yielded more than 50 of the world's ____ since 1886.
 A)lead
 B)copper
 C)gold
 D)zinc
 E)iron

Question 2

Arsenic contamination in groundwater stems from human activities.
  Indicate whether the statement is true or false


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anyusername12131

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Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

False


dalyningkenk

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Reply 2 on: Jul 13, 2018
YES! Correct, THANKS for helping me on my review

ktidd

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Reply 3 on: Yesterday
Wow, this really help

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