Question detail
Which of the following is a consequence of increased carbon dioxide in the atmosphere?
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. Decreased global temperatures
- B. Increased global temperatures
- C. No change in weather patterns
- D. Increased oxygen levels
Answer
Increased global temperatures
Explanation
Higher levels of carbon dioxide contribute to the greenhouse effect, leading to increased global temperatures.
Common mistake
Misattributing CO₂ source to burning fossil fuels
Students often think that burning fossil fuels only releases carbon dioxide that was already present in the fuel, ignoring that the combustion process also produces new CO₂ from the oxygen in the air.
Explain that when fossil fuels are burned, the carbon atoms in the fuel combine with oxygen from the atmosphere to form new CO₂ molecules, thereby increasing the total amount of CO₂ in the atmosphere.
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