Answer:
c the changing culture brought about social unrest
Explanation:
Answer:
I belive floods, looking at ur option the closest one is that
<span>The ultimate destination of all the water in the hydrosphere is the ocean.
</span><span>This body of saline water that composes much of a planet's hydrosphere.
</span>Due to the presence of the ocean on its surface, <span>Earth resembles a "blue marble" when viewed from space.</span>
The principal is Superposition according to science