Hello.
The answer is the nile river.
The Nile River was a <span>geologic feature made it possible the union of upper and lower Egypt.
The nile is the largets river so it could reah to the upper and lower Egypt.
Have a nice day</span>
scientific theory is an explanation of some aspect of the natural world that can, in accordance with the scientific method, be repeatedly tested, using a predefined protocol of observations and experiments.
Answer:
Yes
Explanation:
You got it right because you saw the evidence of it.
