Answer:
Option: (D) To identify patterns of diffusion and their effect on the host country.
Explanation:
The geographer purpose of studying the pattern of migration is to look at the reasons for the people leaving their native country and migrating to the host country.
To check the migrant's effects on the host country, it would be useful to divide two groups according to their skills - highly educated and skilled labor. Migration would affect the country because they will help the host country to built-in a good shape by their skills and knowledge.
Explanation:
<u><em>Settlements provide a spatial focus for most human activity, and therefore also strongly affect local land cover, water quality, and biodiversity. Analyzing the spatial patterns of settlements can contribute to greater understanding of land use changes, ecological processes, cultures and lifestyles, etc</em></u>
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Hope this helps.. even a little...
