Hurry plz brainliest to correct answer Explain how competition is affected in these four types of market structures: pure competition, monopolies, oligopolies, and monopolistic competition. In addition, include examples of each type of market structure.

a. competition with other nations.

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.

music

explanation:

b: the exchange of coined money