Sentence Correction (SC) | Re: A study by the Ocean Wildlife Campaign urged states to

This sentence has parallelism error. The list is not parallel. Since 3rd element of the list is not underlined, elements 1 and 2 should follow the structure of element 3. Thus, all elements should be verb-ing forms as follows:

1) establishing size limits for shark catches
2) closing state waters for shark fishing during pupping season
3) requiring commercial fishers to have federal shark permits
This sentence also has modifier error. The modifier “which includes…” modifies the closest noun
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