Alright, I'll help you. However you will have to give me more details about your question first.
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.
B) An author discovers that an early Greek historian exaggerated his claims to make them more entertaining is an action which is an example of historiography. This is because historiography is "the study of the methodology of historians in developing history as an academic discipline, and by extension is any body of historical work on an particular subject."
