Mark, a flight attendant, began his workday in a bad mood. However, by the end of the day, he felt much happier. According to the facial feedback hypothesis, what may have influenced mark’s mood?.

In russia, after the soviet union collapse, influential retained power by acquiring large numbers of , so the ruling class gained power in place of power.

Which statement best describes evidence of a mulitcultural mix in east africa? a. because of what he learned during his pilgrimage to mecca, mansa musa was able to build a center of islamic scholarship. b. the traders of ghana brought back with them slaves from the mediterranean who taught the ghana rulers about christianity. c. clans were made up of lineages that were descendants of multiple ancestors from different regions of africa. d. swahili became a language made up of words spoken by traders along the coast of the indian ocean.

Why does the united states constitution require that a national census be taken every ten years?