The Method of Determining Latitude in the Northern Hemisphere by Measuring

question 11

Multiple Choice

The method of determining latitude in the Northern Hemisphere by measuring the angle between an observer's line of site to the North Star and line of site to the northern horizon was developed by:

• A)Pytheas.
• B)Eratosthenes.
• C)Herodotus.
• D)Seneca.
• E)Ptolemy.

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Herfindahl Index

A measure of the size of firms in relation to the industry and an indicator of the amount of competition among them, calculated as the sum of the squares of the market shares of each firm within the industry.

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