Early earth

[akimhaneul]

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There is a statement in dat destroyer that says "early earth had very little free oxygen, a condition that favored formation of life."

How is this true? Can anyone explain? Thanks!


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[WheatLom]

Oxygen radicals are very reactive and could have easily torn apart a very primitive species. This is because the primitive species do not have a mechanism to breakdown harmful oxygen derivatives. That is my basic answer for this.

 

[Bersabeh]

There is a statement in dat destroyer that says "early earth had very little free oxygen, a condition that favored formation of life."

How is this true? Can anyone explain? Thanks!


Sent from my iPhone using SDN mobile

early earth had hydrogen sulphide, h2o, methane and co2. No oxygen it was a reducing atmosphere.

 

[WheatLom]

early earth had hydrogen sulphide, h2o, methane and co2. No oxygen it was a reducing atmosphere.

While those were the early food sources they do not explain, why little free oxygen benefits life.