Indirect rule allowed local rulers to have limited power
A desert forms when rainfall decreases in a dry climate
The answer is D. heat flow and the movement of material inside the Earth
That is the only really obvious answer since it's basically talking about plate tectonics.
Answer:
It happens because the consuming is higher than the water drop rate, or even because there are too many people in a zone where there is not enough fresh water.
A climate like a desert because, there is less water and it is too hot to live in.
