Respuesta :
The second option is correct. "Pluto, which appeared to be a planet, was found to be a somewhat ordinary piece of space rock."
The idea from the passage that contradicts this opening statement is B. Pluto, which appeared to be a planet, was found to be a somewhat ordinary piece of space rock.
What is a Contradiction?
This refers to the negation made about a given statement or earlier claim that is not consistent with a particular line of argument.
Hence, we can see that based on the first line of the passage, we can see that the opening statement talked about the planet Pluto and how it turned out to be an ordinary rock and not a planet,
Read more about contradictions here:
https://brainly.com/question/6946086
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