I believe the answer is A) Centralized kingdoms is the correct answer.
Answer:
Explanation:The UN subregion of North Africa consists of 7 countries at the northernmost part of the continent -- Algeria, Egypt, Libya, Morocco, Sudan, Tunisia, Western Sahara. North Africa is an economically prosperous area, generating one-third of Africa's total GDP.
I have no idea, but I wouldn't use Wikipedia.. The "facts" on there aren't always true. That's why we aren't allowed to use it in my high school.
Answer:
So reservoir will take 455000 sec to raise 35 cm
Explanation:
We have given surface area of the reservoir = 650000 
Rate of flow = 0.5 m/sec
Height through which reservoir is raise = 35 cm = 0.35 m
So volume 
We have to calculate the time
Time is given by 
