Prehistory.
Because people did not have any form of writing or written language nothing in that time could be recorded or documented.
Answer:
True.
Explanation:
Moon revolves around the earth
Global warming stresses ecosystems through temperature rises, water shortages, increased fire threats, drought, weed and pest invasions, intense storm damage and salt invasion, just to name a few.
Glaciers cover nearly 10% of Earth's land surface.
The equator divides the earth into Northern Hemisphere and Southern Hemisphere.
I hope this helped!