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Earth's early atmosphere was mainly [ ], with little or no oxygen.
A
High temperatures make nitrogen and oxygen from the air react.
B
Earth's early atmosphere was mainly carbon dioxide, with little or no oxygen.
C
Nitrogen remained while other gases were removed, because it is unreactive and poorly soluble.
D
Ocean water expands as it warms.
Card 1 of 27
6.3 Interpreting and interacting with earth systems Flashcards
27 flashcards on OCR GCSE Chemistry 6.3 Interpreting and interacting with earth systems: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier).