How Did the Vikings Maneuver Across Long Distances

question 77

Multiple Choice

How did the Vikings maneuver across long distances?

• A) Use of the astrolabe and compass
• B) Knowledge of the heavens and seas.
• C) Extensive Arabic maps
• D) Legends and oral traditions.
• E) Trial and error.

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Definitions:

[4]annulene

A cyclic compound made up of four conjugated carbon atoms, known for its planar structure and aromatic behavior despite having 4 π-electrons, which does not follow Huckel's rule for aromatic stability.

Aromatic

Relates to organic compounds containing one or more planar ring structures with delocalized π-electrons, exhibiting unique stability and reactions.

Nonaromatic

Referring to organic compounds that do not meet the criteria for aromaticity, often being less stable and more reactive.

Sodium Cyclopentadienide

An organosodium compound derived from cyclopentadiene, acting as a strong base and nucleophile in organic synthesis.