The answer to your question is,
Physical Change.
-Mabel <3
The kind of material would be prone to liquefaction during an earthquake was A. Water-saturated sand
The Port of Vladivostok is on the Sea of Japan and located near Russia's border with China. Russia's port city of Murmansk is located in Murmansk Oblast in the Northwest of Russia.
The Quaternary economic activities are more likely to be in the Urban area because the services are needed more in the region.
Quaternary activities refers to activities that includes collection, production and circulation of information.
Quaternary economic activities involves generation of knowledge and the sharing of research
Examples of Quaternary economic activities includes teaching, tourism, customer service, software development, statistical work, medical services etc.
These activities are more likely to be practiced in the Urban area because that is where there are higher need and patronage such services.
Therefore, in conclusion, Option D is correct.
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