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Where did the gases that formed Earth's early atmosphere come from?
A
The atmosphere contained no oxygen when they formed.
B
Earth's interior has not changed greatly.
C
They came from inside the Earth through volcanic eruptions.
D
A large proportion of the early atmosphere is thought to have been carbon dioxide.
Card 1 of 20
9.2.1 The Earth's early atmosphere Flashcards
20 flashcards on Edexcel GCSE Chemistry 9.2.1 The Earth's early atmosphere: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.