Were the very first life forms on earth aerobic or anaerobic?

Answer 1

Very first life formed on earth was anaerobic.

  • It is because in primitive earth , there was lack of oxygen as only the four were mainly present that include hydrogen , ammonia ,metane and water vapours . Also oxygen was only present in form of water molecule at that time .Thus we can say the first life on earth was anaerobic.
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Answer 2

Since there was no oxygen in the early Earth's atmosphere, the earliest life forms were probably anaerobic.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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