The word is misspelled in the sentence "a university of Pennsylvania professor defines grit as the persverance and passion a person has to achieve their long term goals" is perseverance. Thus the correct answer is B.
What are misspelled words?
Misspelled words are those words that do not spell correctly due to which the meaning of the statement is not clearly understandable to the reader. Sometimes misspelled give another meaning of the statement.
All the three options are spelled correctly but the word which is incorrectly written is "persverance" which should be written as perseverance symbolizes the meaning of determination in undertaking a task in the face of hardship or a delay in success.
Therefore, option B perseverance is appropriate.
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