Which of these would be the best summary of the first paragraph?
A. People thought there were nine planets in the solar system until a team of scientists known as the International Astronomical Union decided that Pluto should not be a planet.
B. The solar system has always included nine planets, which has recently been challenged by scientists.
C. Before 2006, scientists believed there were nine planets in the solar system.
D. In 2006, the International Astronomical Union decided that Pluto should be considered a planet again.
Which of these would be the best summary of the first paragraph
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The best summary of the first paragraph is C. Before 2006, scientists believed there were nine planets in the solar system.
Explanation: This option accurately reflects a key point that likely introduces the discussion about the number of planets in our solar system prior to the year 2006, providing a clear and concise overview without introducing new details that aren’t mentioned. If you’d like more detailed assistance, feel free to check the extended services page!