Question detail
What role do particulates play in climate change?
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 act as greenhouse gases.
- B. They contribute to global warming.
- C. They reflect sunlight and cause cooling.
- D. They absorb carbon dioxide.
Answer
The correct option is They reflect sunlight and cause cooling.. This answer is correct because it matches the approved learning objective to explain that particulates can cause global dimming by reflecting sunlight in the subtopic Properties and effects of atmospheric pollutants.
Explanation
The correct option is They reflect sunlight and cause cooling.. They reflect sunlight and cause cooling. is correct because it directly supports the approved learning objective to explain that particulates can cause global dimming by reflecting sunlight. 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 Particulates
Students often confuse particulates with gases, thinking they behave the same way in the atmosphere.
Remember that particulates are solid particles that can reflect sunlight, while gases like carbon dioxide do not have this property.
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