Answer: c. Economically developed; economically developing
Explanation:
Economies that are doing fine in the society are giving a different measurement in requirements and enforcement than economies that are still finding their feet to get a stand. Policies that are used for economies doing well or improving are definitely different from that which is used for those still struggling.
The answer is operant conditioning
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In 1733 John Kay with a "Flying Shuttle" or in 1765 James Hargreavers with the "Spinning Jenny"
D. Confirmable because they are scientific theory’s and also very famous ones