Answer:
Your answer here is gonna be C.
Explanation: I'm really bad at explaining, but have an amazing day :D
Answer:
im not sure what you mean buy that but yes small changes does make a difference over generations.
Explanation:
Rivers: the Tigris and Euphrates
Climates: Northern Mesopotamia's plateaus have a warm climate. Parts of this land receive enough rain for crops to grow. Southern Mesopotamia has hot summers and little rain.