For about how many years of geological time have humans existed on earth
1 answer:
The history of life on Earth began about 3.8 billion years agohumans have been around for a mere 0.004% of the Earth's history
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<span>from low concentration to high concentration</span>
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Hello there
the answer to your question is
Agnosia
Best Regards Queen Z
Moisture is the manipulated variable.