Because there have been many invasions the correct answer would be C. The invasions would have brought many different ethnic groups into the area.
Answer:
False
Explanation:
Hierarchical diffusion is the spread of information from one hierarchical level to another, usually downwards, but can also be upwards.
An example of downwards propagation is when the president of a company announced there will be cuts in various departments. He transmits the news to the department chiefs, who relay it to the employees.
An upwards propagation might be when call center employees report repeated problems encountered by the customers to their supervisor, who moves it up to their boss and so on.
Gender and geography has nothing to do with that.
D?
It requires irrigation which is water and it would need constant water
