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The processes of extracting and separating gold in remote regions often result in environmental contamination with Cyanide (Option B).
<h3>What is cyanide?</h3>
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.
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The right thing to do if your hypothesis was incorrect based on the results of your experiment is to Find a scientific reason why your hypothesis might have been incorrect and what new information you have learned from your experiment.
<h3>What should you do if your hypothesis is wrong?</h3>
When a hypothesis is said to fails, the right thing to do first is to study or investigate the data very well.
After that one can use your research and data to known the possible reason why the hypothesis was said to be incorrect. If you can come up with a valid reason that your hypothesis failed, you can start looking for ways to check the assumption, that you have made.
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(D) Towards a pole
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Answer:
An effect would be an increase in trade volumes and it widened the geographical range of existing trade routes, including the Silk Roads, the Trans-Saharan Trade Network and the Indian Ocean, making the development new trading cities.
Explanation:
