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The example sentences of ARCHAEAN in videos (1 in total of 1)

That Time Oxygen Almost Killed Everything English (null)
let verb, base form ’ s proper noun, singular start verb, non-3rd person singular present 3 cardinal number billion cardinal number years noun, plural ago adverb , in preposition or subordinating conjunction the determiner archaean proper noun, singular eon proper noun, singular , when wh-adverb the determiner world noun, singular or mass was verb, past tense a determiner place verb, base form you personal pronoun ’ d proper noun, singular
Special thanks to The Free Dictionary and azquotes for providing us with the information used in this web page

Definition and meaning of ARCHAEAN

What does "archaean mean?"
archaean

/ärˈkēən/

archaean

adjective
.
noun
Archaean aeon or system of rocks deposited during it.

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