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Q56520783-7AA753E6-00B0-4ABE-802B-9CA99B0A3CE4
Q56520783-7AA753E6-00B0-4ABE-802B-9CA99B0A3CE4
BestRank
Statement
http://www.wikidata.org/entity/statement/Q56520783-7AA753E6-00B0-4ABE-802B-9CA99B0A3CE4
Constraints on Paleoproterozoic atmospheric oxygen levels
P2860
Q56520783-7AA753E6-00B0-4ABE-802B-9CA99B0A3CE4
BestRank
Statement
http://www.wikidata.org/entity/statement/Q56520783-7AA753E6-00B0-4ABE-802B-9CA99B0A3CE4
rank
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type
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wasDerivedFrom
f7bc7a9060c0eafd1a681b1d90082a745930223b
P2860
Sufficient oxygen for animal respiration 1,400 million years ago.