Question detail
What is the main advantage of using bioleaching over traditional mining?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using the Earth's resources and obtaining potable water
Question
- A. It requires less energy and is more environmentally friendly.
- B. It produces higher yields of metal.
- C. It is faster than traditional mining methods.
- D. It does not require any water.
Answer
The correct option is It requires less energy and is more environmentally friendly.. This answer is correct because it matches the approved learning objective to explain that metal ores are limited resources in the subtopic Alternative methods of extracting metals.
Explanation
The correct option is It requires less energy and is more environmentally friendly.. It requires less energy and is more environmentally friendly. is correct because it directly supports the approved learning objective to explain that metal ores are limited resources. This belongs to the subtopic Alternative methods of extracting metals within Using the Earth's resources and obtaining potable water, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Alternative methods of extracting metals.
Common mistake
Misunderstanding Resource Limitations
Students often think that metal ores are unlimited resources and can be extracted indefinitely.
Emphasize that metal ores are finite resources, meaning they are limited in availability and will eventually be depleted.
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