Present perfect tense is the present tense of the verb "have" combined with the past participle of the main verb.
An example of the verb "see" in the present perfect tense with the pronoun "I" as the subject is:
I have seen many movies, but nothing as good as <input favorite movie here>.
The answer is
A. Tyson was practically vilified in the press until Pluto was officially recognized as a Dwarf Planet.
Notice the higher vocabulary that is used in this answer. This indicates that the wording/phrasing is formal.
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Answer:
c.
Explanation:
Your strongest points should be the first and last paragraphs within the body, with the others falling in the middle. Also, make sure that your paragraph order makes sense. If your essay is describing a process, such as how to make a great chocolate cake, make sure that your paragraphs fall in the correct order.