One positive effect of devolution is that it helps maintain a cohesive state. This means that it helps the state remained unified.
I don't know whether this was one of your options, but South Asia can be very well characterized as a Sub-continent.
In fact, it's is commonly referred to as "the Indian Subcontinent" or even simply "Subcontinent". One of the reason for a distinction of this part of the land is that it lies on a different tectonic plate.
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A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion.<span>[</span>
Answer:
Option C. Deep ocean canyon
Explanation:
The Mariana Trench is an example of a deep ocean canyon
