During the Archean eon, the Earth's early atmosphere contained a very high concentration of carbon dioxide. Following the cooling of the planet and the condensation of water vapour, the levels of atmospheric carbon dioxide decreased dramatically.
Explain how the formation of the oceans led to this decrease in carbon dioxide.
Practise Edexcel GCSE Chemistry Earth and atmospheric science with exam-style questions for Foundation and Higher tier. 62 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
