Question detail
Why is methane considered a greenhouse gas?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Carbon dioxide and methane as greenhouse gases
Question
- A. It absorbs ultraviolet radiation.
- B. It absorbs infrared radiation.
- C. It reflects sunlight.
- D. It has no effect on temperature.
Answer
The correct option is It absorbs infrared radiation.. This answer is correct because it matches the approved learning objective to explain how landfill sites can release methane from decomposition in the subtopic Human activities which contribute to an increase in greenhouse gases in the atmosphere.
Explanation
The correct option is It absorbs infrared radiation.. It absorbs infrared radiation. is correct because it directly supports the approved learning objective to explain how landfill sites can release methane from decomposition. This belongs to the subtopic Human activities which contribute to an increase in greenhouse gases in the atmosphere within Carbon dioxide and methane as greenhouse gases, 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 Human activities which contribute to an increase in greenhouse gases in the atmosphere.
Common mistake
Misunderstanding Methane Release
Students often think that landfill sites only produce carbon dioxide and do not realize that methane is also released during decomposition.
Emphasize that methane is produced as organic waste decomposes anaerobically in landfill sites, highlighting the role of decomposition in methane emissions.
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