Sagot :
Microbes
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old.
The signals consisted of a type of carbon molecule that is produced by living things
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microbes
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.
[tex] \blue{ \underline{ \large{ \sf{hope \: its \: help!} } } } [/tex]