Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Miscellaneous

When was breathing invented?


The earliest sedimentary evidence of carbonaceous matter thought to represent traces of photosynthetic marine life date to approximately 3.5 to 3.8 billion years ago. That is believed to be the origin of biogenic oxygen and aerobic respiration.

{{ relativeTimeResolver(1583786902831) }}

LIVE
Points points 1386
Rating

Similar Questions
Sign in to view all similar questions
Miscellaneous 1 Answer
Miscellaneous 2 Answers
Miscellaneous 1 Answer
Miscellaneous 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE