Question

____and___were probably the very frist chemicals man used for his exitance ​

Answer 1

Answer:

In July 2018, scientists reported that the earliest life on land may have been bacteria 3.22 billion years ago. In May 2017, evidence of microbial life on land may have been found in 3.48 billion-year-old geyserite in the Pilbara Craton of Western Australia.

Explanation:

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