These changes have been made possible by use of the scientific method to solve such problems as the causes of diseases and its prevention.
Why writer used its instead of their in the sentence above?
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Sign up to join this communityThese changes have been made possible by use of the scientific method to solve such problems as the causes of diseases and its prevention.
Why writer used its instead of their in the sentence above?
Their is correct. The subject for this pronoun is "diseases". Verb-pronoun agreement can be a problem even for native speakers, and the writer made a mistake here.