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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Ethical reform and fitting in with adult society are right
The themes of friendship and loyalty are developed in these excerpts by the use of the infidelities. Tennessee had an affair with his partner's wife and she accepted him. However, she was also unloyal to him and she finally abandoned him to go with another man. The relationship between Tennessee and his partner is a ckear example of loyalty and frienship because even though Tennessee courted his wife they continue being friends, they had an affection that was unconditional. Tennessee's partner admired him and that feeling continued after his death.
The central idea is the same as the main idea. Most of the time, the main idea is mentioned in the Title. Without reading the essay, I do not know what the central/main idea is.
An easy way to solve this problem is to divide 20,000 by 100
20,000/100 = 200
Answer: 20,000 = 200 hundreds
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