The Main Reason That Gold Mining Is One of the Dirtiest

question 41

Multiple Choice

The main reason that gold mining is one of the dirtiest mining activities is that

• A)only a few ounces of gold are recovered for each ton of rock mined.
• B)many chemicals must be used to extract gold from the earth.
• C)gold is only found deep underground.Digging tunnels creates a lot of dirt.
• D)gold is only found in remote areas so mining it contributes significantly to emission of carbon dioxide because of the distances that miners must travel.

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Definitions:

Convergent Thinking

A thought process that focuses on arriving at a single, correct solution to a problem by applying logical steps and factual knowledge.

Functional Thinking

A problem-solving approach that focuses on how things work and seeking practical ways to accomplish a given task.

Circular Thinking

A form of reasoning in which the conclusion is pre-assumed in one of the premises, often leading nowhere or to logical fallacies.

Imaging

A technique used to visualize the internal structures of the body for diagnostic purposes.