D, combination of all the them
Answer:
a.expensive in some countries and
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...
Answer:
By promoting what we have been taught by them
