Question detail
What is the primary effect of acid rain caused by sulfur dioxide?
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. It improves soil fertility.
- B. It can harm aquatic ecosystems.
- C. It increases plant growth.
- D. It has no significant effects.
Answer
The correct option is It can harm aquatic ecosystems.. This answer is correct because it matches the approved learning objective to explain that sulfur dioxide can cause acid rain in the subtopic Properties and effects of atmospheric pollutants.
Explanation
The correct option is It can harm aquatic ecosystems.. It can harm aquatic ecosystems. is correct because it directly supports the approved learning objective to explain that sulfur dioxide can cause acid rain. 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
Confusing Sulfur Dioxide with Other Pollutants
Students often confuse sulfur dioxide with other pollutants like carbon monoxide and oxides of nitrogen, leading to incorrect explanations of acid rain.
To fix this, students should focus on the specific sources and effects of sulfur dioxide, emphasizing its role in acid rain and distinguishing it from other pollutants.
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