The earliest of civilizations were based around river valleys. This allowed them to irrigate fresh water to their crops allowing for better farming and therefore, bigger and better civilizations.
Answer:
B.
I could wrong that because there many theory.
I choose B that because my feelings think B make any sense?
The answer is C.0.8 and it’s expressed as rsquared.
Answer:
Hey!
Umm...maybe put up a diagram and we can see what you're talking about and answer it!!
Explanation:
