What is the Struve Geodetic Arc, which stretches from Hammerfest in Norway to the Black Sea and crosses Lithuania?

Answer and explanation

Correct answer: B. A chain of survey triangulations

  1. Step 1: The Struve Geodetic Arc is a chain of survey triangulations from Norway to the Black Sea that gave the first accurate measurement of a meridian arc. Answer: A chain of survey triangulations. Why not the others: It is a chain of survey points, not monasteries, castles or lighthouses.

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