Their placement because if they're in the less economically developed part then they would have a greater effect but if they're in the more economically developed part better shops are accessible.
Answer:
this is useful because they represent the shortest distance between two points on a sphere.
Explanation:
Due to the earth's rotation, sailors and pilots using great circle routes must constantly adjust their route as the heading changes over long distances.
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andres1000</em></h2>
