Which of the following is a contribution from norse culture?

a.
the names of the compass directions

b.
the system of cooling and heating used in most scandinavian countries

c.
the navigation techniques for most large sailing vessels

d.
the names of the days of the week

The navigation techniques for most large sailing vessels.

Explanation:

The Norse culture were the experts at navigation. They were a cradle of  explorers which encouraged them to improve the navigation techniques  constantly. In fact, ships were not only  means of transportation, but they were so inmersed in Norse culture that they became a symbol of status, prestige for the ship owner and the skipper. Navigation was involved in explorarion, trading, war and mythology, basically in the daily life of an average norseman.

i also think he is correct. i believe they came to washington to protest their rights.