Question detail
Explain how volcanic activity influenced the composition of the Earth's early atmosphere.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
The composition and evolution of the Earth's atmosphere
Question
Explain how volcanic activity influenced the composition of the Earth's early atmosphere.
Answer
Volcanic activity influenced the composition of the Earth's early atmosphere by releasing gases such as carbon dioxide and water vapour. These gases accumulated and formed a thick atmosphere, which had little or no oxygen initially.
Explanation
A strong answer should directly address the approved learning objective to explain that volcanic activity released gases that formed the early atmosphere. This question belongs to The Earth's early atmosphere within The composition and evolution of the Earth's atmosphere, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to early atmosphere, and keeps the wording specific to AQA GCSE revision.
Common mistake
Volcanic Gas Misconception
Students often think that volcanic activity only released carbon dioxide and did not consider other gases.
Remember that volcanic activity released a variety of gases, including water vapour and nitrogen, in addition to carbon dioxide.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.