I. Public speaking skills are increasingly valued across many professions. II. Effective communication can significantly influence career advancement opportunities. III. Coastal mangroves help protect shorelines from storm surges. IV. Many universities now offer courses focused specifically on public speaking. V. Practicing regularly helps reduce anxiety associated with speaking publicly. (I-V) numaralı cümlelerden hangisi parçanın bütünlüğünü bozmaktadır?