Marshall and joe are brothers. both are very interested in board games and both are very intellectual. marshall is very kind and caring while joe is a bit of a nerd. what is the role that genetics has likely played in the personalities of the two brothers?

There´s an even split between genetics and life experience: both have shaped them.

Explanation:

Although personality traits are largely defined by our genetic composition, that´s not the only element to be examined. Personality is not determined by a single gene, but rather by the actions of many genes working together. Furthermore, both genetic factors and environmental circumstances are key elements in building our personality. Having a specific model of genes doesn’t inevitably develop a distinct trait, because some traits may happen solely in some settings.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer