Question detail
What is the main reason waste water must be treated before being released into the environment?
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. To increase its temperature
- B. To make it aesthetically pleasing
- C. To prevent environmental pollution
- D. To enhance its mineral content
Answer
The correct option is To prevent environmental pollution. This answer is correct because it matches the approved learning objective to explain why urban lifestyles and industrial processes produce waste water that needs treatment in the subtopic Waste water treatment.
Explanation
The correct option is To prevent environmental pollution. To prevent environmental pollution is correct because it directly supports the approved learning objective to explain why urban lifestyles and industrial processes produce waste water that needs treatment. This belongs to the subtopic Waste water treatment 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 Waste water treatment.
Common mistake
Misunderstanding Waste Water Sources
Students often confuse the sources of waste water, thinking it only comes from domestic use rather than also from industrial processes.
Emphasize that waste water is produced from both urban lifestyles and industrial processes, and provide examples of each.
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