Can't answer without knowing what part A is
Answer:
i am positive that it is d
Explanation:
hope it helps if wrong so sorry
Infinitive- was the first to become a national park
An article published in 2013 by the American Psychological Association will be the best and the most credible source to be used in the paper. Thus, option D is correct.
<h3>What are credible sources?</h3>
Credible sources are informational platforms written by persons who are experts and have a particular field of knowledge. They can be cited in the papers as they are from credible authors and can be checked for accuracy of the facts.
The peer-reviewed journals and professional organizations are some of the reliable sources and provide the correct information. A recent article published in 2013 by the American Psychological Association is a credible source.
American Psychological Association is an organization that has experts and specializes in psychology studies. They will publish the most accurate data compared to the manufacturer, young adult, or the Department of Education.
Therefore, option D. American Psychological Association is the most credible source.
Learn more about credible sources here:
brainly.com/question/13945904
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