The answer is the appeal to popularity. Hope this helps.
Answer: The correct answer is : public; under provide
Explanation: Markets often cannot allocate resources efficiently, this failure is very frequent in the environmental field. Markets tend to provide very few environmental goods such as parks and open places but they do provide too much air pollution. One solution to this market failure is government regulation.
Answer: The styles of suits worn by young boys in the Romantic period include:
skeleton suits
tunic suits
Eton suits