Question 243: What scientific phenomenon is often (mistakenly) thought as having been first reported by Columbus? Author: K. - Category: History of Science Difficulty: 5/5 - Zone: Europe (Minus Russia)
The inversion of the sense of gyration of water emptying from a hole as one crosses the equator
The difference between the geographic & magnetic North Poles
The existence of Aurora Borealis above the ocean
The increase in the sea's level near the equator, due to the increased centrifugal force
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