Vienna, Austria is the answer.
its D. THE FORMATION OF EXCLAVES ............. ON E2020 just did the test
Answer:
Proper cleanliness of water..
Incoming solar radiation is almost double at the equator then at the poles, causing the water closer to the equator to be warmer. The heat difference also causes the oceans to swirl so the water that is around the equator will eventually end up at the poles and keep circulating around.
