Question detail
Which of the following activities would contribute to the indirect carbon footprint of a smartphone?
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. The battery charging while the phone is in use
- B. The manufacturing of the phone’s components
- C. The data centre energy used to stream videos
- D. The disposal of the phone in a landfill
Answer
The data centre energy used to stream videos
Explanation
The data centre energy is part of the service that the phone enables, not the phone itself, making it an indirect emission. Battery charging and manufacturing are direct emissions, while disposal is a direct end‑of‑life emission.
Common mistake
Misunderstanding Carbon Footprint Components
Students often think that a carbon footprint only includes direct emissions from burning fossil fuels.
Emphasize that a carbon footprint includes both direct emissions (like those from transportation) and indirect emissions (such as those from the production and transportation of goods).
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