Key term for OCR GCSE Chemistry A, used in Interpreting and interacting with earth systems.
A well-substantiated explanation of the natural world. In this context, it refers to our understanding of the early atmosphere, which is based on limited direct evidence from 4.6 billion years ago.
Scientific theory appears in OCR GCSE Chemistry A revision content for Global challenges, especially Interpreting and interacting with earth systems and Oxygen Development.
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