Answer:
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<span> The correct answer is variable ratio schedule.</span>
I believe the answer is: scientific stage
In the scientific stage of societal develoment, people start to rely more on empirical evidence to drive their decision rather than religion or any forms of diety. In this stage of development, innovations would start to flourish and society tend to keep inventing things that increase their prosperity.
I believe that this questions has some options, and specifically those:1) <span>minimum wage 2) education 3) production costs
Out of those only education is correct. Education can form a basis for training, making training more efficient and generally increases the skills of a person. </span>
