Answer:
Plate tectonics
Plate tectonics is the scientific theory explaining the movement of the earth's crust. It is widely accepted by scientists today. Recall that both continental landmasses and the ocean floor are part of the earth's crust, and that the crust is broken into individual pieces called tectonic plates
I think it’s Egypt, Kush and Axum
True. A theory arises from certain phenomena or scenarios out of observation in an effort to explain why they occur, though they are yet to be proven.
The answer is A, Thomas Jefferson. Hope this helps.
What are you asking, for the def??