Earth's Early Atmosphere (AQA GCSE Chemistry): Flashcards
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How long has modern atmosphere been stable?
How long has modern atmosphere been stable?
200 million years
Which planets did early Earth's atmosphere resemble?
Which planets did early Earth's atmosphere resemble?
Venus or Mars
Duration of Earth's early atmosphere phase
Duration of Earth's early atmosphere phase
First billion years
What was common on early Earth's surface?
What was common on early Earth's surface?
Many volcanoes
Primary gas in early atmosphere
Primary gas in early atmosphere
Carbon dioxide ()
Oxygen level in early atmosphere
Oxygen level in early atmosphere
Very little to no oxygen
Gaseous water in early atmosphere
Gaseous water in early atmosphere
Water vapour ()
Early atmosphere gas with formula
Early atmosphere gas with formula
Methane
Early atmosphere gas with formula
Early atmosphere gas with formula
Ammonia
Source of in early atmosphere
Source of in early atmosphere
Volcanic activity
What happened to water vapour as Earth cooled?
What happened to water vapour as Earth cooled?
Condensed
What did condensed water vapour form?
What did condensed water vapour form?
Oceans and seas