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Why is earths oxygen breathabale?

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Anonymous

∙ 15y ago
Updated: 8/19/2019

First of all it is spelled 'Oxygen'.

It is not that Earth's Oxygen is more breathable than another planet's. We have just evolved to need Oxygen to live. Other planets don't have as much Oxygen as we need to live. They have other gases that would kill us instantly. That is why we need spacesuits to be able to walk on the moon and other planets. The same goes for Outer Space. Outer Space has no Oxygen at all.

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Wiki User

∙ 15y ago
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