Key term for AQA GCSE Chemistry, used in Atmospheric Composition and History.
A term describing the scarcity of direct scientific evidence for the early atmosphere due to the 4.6-billion-year timescale.
Limited appears in AQA GCSE Chemistry revision content for Chemistry of the atmosphere, especially Atmospheric Composition and History and The Early Atmosphere.
Create a free account to access AQA GCSE Chemistry revision notes, track progress, and practise related key terms.