why are we so certain that water and oxygen are required for alien life?

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We’re assuming that alien life requires the same things we do, why?

In: Biology

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Anonymous 0 Comments

Because for what we know about life in general, it cannot exist without those factors. But your statement is wrong and I often ear in conferences and science videos that a form of life may exist, that does not need water and oxygen. But if so, we have to find it.

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