Question detail
What role did dissolved carbon dioxide play in the formation of sedimentary rocks?
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
What role did dissolved carbon dioxide play in the formation of sedimentary rocks?
Answer
Dissolved carbon dioxide in the oceans contributed to the formation of carbonate precipitates, which accumulated and compacted over time to form sedimentary rocks like limestone.
Explanation
A strong answer should directly address the approved learning objective to describe how carbonate precipitates formed sediments that became sedimentary rocks. This question belongs to How carbon dioxide decreased 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 sedimentary rocks, and keeps the wording specific to AQA GCSE revision.
Common mistake
Misunderstanding Sedimentary Rock Formation
Students often confuse the process of carbonate precipitation with the formation of sedimentary rocks, thinking they are the same process.
Clarify that carbonate precipitates form from dissolved carbon dioxide in water, which then accumulates and compacts over time to create sedimentary rocks.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.