study the image about geologic time. geochronological scale during which period did humans first appear on…

study the image about geologic time. geochronological scale during which period did humans first appear on earth? quaternary neogene paleogene cenozoic
Answer
Brief Explanations:
The Quaternary period is when modern - day humans first appeared on Earth. It is the most recent period in the geochronological scale.
Answer:
Quaternary