Question detail
Which of the following statements about oxides of nitrogen is true?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Common atmospheric pollutants and their sources
Question
- A. They are harmless to human health.
- B. They can contribute to photochemical smog.
- C. They are only produced in low-temperature reactions.
- D. They do not affect the environment.
Answer
The correct option is They can contribute to photochemical smog.. This answer is correct because it matches the approved learning objective to evaluate data or statements about atmospheric pollution and its effects in the subtopic Properties and effects of atmospheric pollutants.
Explanation
The correct option is They can contribute to photochemical smog.. They can contribute to photochemical smog. is correct because it directly supports the approved learning objective to evaluate data or statements about atmospheric pollution and its effects. This belongs to the subtopic Properties and effects of atmospheric pollutants within Common atmospheric pollutants and their sources, 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 Properties and effects of atmospheric pollutants.
Common mistake
Misunderstanding Evaluation Criteria
Students often confuse evaluating data with simply summarizing it, failing to analyze the implications of the data on atmospheric pollution.
Focus on not just summarizing the data but also discussing what the data implies about the effects of atmospheric pollution, considering factors like health impacts and environmental consequences.
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