What is an introvert and extrovert a antonym, synonym or neither?

Antonyms.

Explanation: They are antonyms because they are opposite. Extroverts are social and outgoing. Introverts are shy and prefer to be alone or with a couple of people. By the way I am a extrovert.

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the author motivation is to show the power of animal-human relationships.

the correct answer is b. in order to explain a point clearly in an essay, it is always better to include a clear example of your ideas. including an scenario in which a family is affected by consumerism will support your argument as well as supporting details, such as quotations from experts and statistics. option a could be correct, but statistics and quotations are supporting ideas rather than clear explanations. choices c and d are simply inadequate. they do not add information about the effects of consumerism, rather they are strategies for engaging the reader