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13. The processes of extracting and separating gold in remote regions often results in
environmental contamination with which of the following?
(A) Ozone
(B) Cyanide
(C) CFCs
(D) Asbestos
(E) Selenium
4. The atmosnheris concentration of carbon dioxide increased from 278 ppm in 179

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luisvaschetto

The processes of extracting and separating gold in remote regions often result in environmental contamination with Cyanide (Option B).

What is cyanide?

Cyanide is a substance that contains a group formed by Carbon and Nitrogen forming a strong chemical bond (C≡N).

Cyanide can be very toxic when forms soluble salts (e.g., sodium and/or potassium cyanide).

Cyanide was used as a chemical compound during gold extraction, thereby generating environmental contamination.

Learn more about cyanide contamination here:

https://brainly.com/question/220829

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