Answer:
Estas líneas imaginarias se llaman latitudes y longitudes. ... Las longitudes son semicírculos (líneas verticales) que van de norte a sur uniendo el Polo Norte y el Polo Sur. Las latitudes se denominan paralelos y las longitudes se denominan meridianos.
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Bantu civilization developed city-states along the East coast, which were soon involved in the bustling Indian Ocean trade. These city-states developed independently and remained that way, trading East African resources, pottery, and slaves. In the process, most of these cities also adopted Islam as their religion.
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