Lenz’s law states that the induced emf opposes the change in the magnetic field. imagine you were actually turning the water wheel by hand to generate current. would the wheel resist motion? as you worked harder at moving the wheel, you would exp

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.