Which of the following is not a factor of production(this is an economics class question)

a. the land required for a hog farm

b. the training required to repair an airplane engine

c. the teacher required to teach an economics class

d. the amount of money required to buy a car

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.

Question 2 of 102 pointshow did the protestant reformation impact the european enlightenment? oa. it convinced many europeans that only biblical laws should befollowed.ob. it required christians to sign a social contract with the protestantchurchoc. it created a new christian country with a republican form ofgovernmentd. it led many people to question the idea that a king's power camefrom god.

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.