Many alternative and complementary medicine practices are viewed with skepticism within traditional/mainstream medicine. why is this the case? what are the advantages and disadvantages to this skepticism?
p. s. need this by tomorrow.

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.