Question detail
What role did water vapour play in the early atmosphere?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The composition and evolution of the Earth's atmosphere
Question
- A. It contributed to the formation of sedimentary rocks
- B. It was the primary gas present
- C. It condensed to form the oceans as the Earth cooled
- D. It increased the amount of oxygen
Answer
The correct option is It condensed to form the oceans as the Earth cooled. This answer is correct because it matches the approved learning objective to explain why there are several theories about the Earth's early atmosphere in the subtopic The Earth's early atmosphere.
Explanation
The correct option is It condensed to form the oceans as the Earth cooled. It condensed to form the oceans as the Earth cooled is correct because it directly supports the approved learning objective to explain why there are several theories about the Earth's early atmosphere. This belongs to the subtopic The Earth's early atmosphere within The composition and evolution of the Earth's atmosphere, 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 The Earth's early atmosphere.
Common mistake
Misunderstanding Theories
Students often think there is only one theory about the Earth's early atmosphere instead of recognizing that multiple theories exist due to limited evidence.
To fix this, students should study the different theories and understand that scientific explanations can vary based on available evidence and interpretations.
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