Amelia failed a test and said it was because the questions were "tricky"; oscar passed the same test and said it was because he studied hard. amelia is using ; oscar is using a dispositional locus of control; a situational locus of control the fundamental attribution error; the self-serving bias the self-serving bias; the self-serving bias external self-efficacy; internal self-efficacy

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.