Final answer:
This response provides the continent for each set of coordinates, identifies the closest city, and provides the coordinates for specific cities.
Step-by-step explanation:
1. 60°N, 100°W - This location is in North America, specifically in Canada near the border with the United States.
2. 60°N, 100°E - This location is in Asia, specifically in Siberia, Russia.
3. 20°S, 60°W - This location is in South America, specifically in the country of Brazil.
4. 20°N, 20°E - This location is in Africa, specifically in the country of Sudan.
5. 20°S, 140°E - This location is in Oceania, specifically in Australia.
6. 30°N, 90°W - This location is in North America, specifically in the state of Louisiana, United States. The city closest to these coordinates is New Orleans.
7. 30°N, 30°E - This location is in Asia, specifically in the country of Saudi Arabia. The city closest to these coordinates is Riyadh.
8. 60°N, 30°E - This location is in Europe, specifically in the country of Russia. The city closest to these coordinates is Saint Petersburg.
9. Shanghai, China - The coordinates for Shanghai are approximately 31°N, 121°E.
10. Durban, South Africa - The coordinates for Durban are approximately 29°S, 31°E.
11. 0°, 78°W - This location is in South America, specifically in the country of Ecuador. The city closest to these coordinates is Quito.
12. 51°N, 0° - This location is in Europe, specifically in the United Kingdom. The city closest to these coordinates is London.
13. 38°S, 145°E - This location is in Australia, specifically in the state of Victoria. The city closest to these coordinates is Melbourne.
14. Nairobi, Kenya - The estimated coordinates for Nairobi are approximately 1°S, 36°E.
15. New York, New York - The estimated coordinates for New York City are approximately 40°N, 74°W.