Are bacteria responsible for the oxygen I breathe? @morethanadodo

Are bacteria responsible for the oxygen I breathe? @morethanadodo

Uploaded October 2018 | Updated September 2026, 1 hour ago

Dr Nicholas Tosca from the Department of Earth Sciences at the University of Oxford talks about how bacteria created, and continue to create, the oxygen in the Earth's atmosphere.

Are bacteria responsible for the oxygen I breathe?

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Are bacteria responsible for the oxygen I breathe?