Which of the following is true of productivity?
a. the most effective way to continually increase productivity is to work harder. b. more productive workers tend to earn higher incomes.
c. an increase in human capital can increase productivity.
d. productivity is measured as the ratio of output per worker per unit of time.
e. b, c, and d are all correct.

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explanation:

peasants’ war, (1524–25) peasant uprising in germany inspired by changes brought by the reformation, peasants in western and southern germany invoked   divine law to demand agrarian rights and freedom from oppression by nobles and landlords. as the uprising spread, some peasant groups organized armies. although the revolt was supported huldrych zwingli and thomas müntzerits condemnation by martain luther contributed to its defeat, principally by the army of the swabian league. some 100,000 peasants were killed. reprisals and increased restrictions discouraged further attempts to improve the peasants’ plight.

i think it would be " a" i might be wrong tho

the answer is selfishly. hope this !