In each of the following questions, a word has been

Solution

I. "The homeowner decided to ensure their valuable art collection against potential damage or theft by purchasing a comprehensive insurance policy." - Incorrect. In this context, the correct word should be "insure" instead of "ensure." II. "Wearing a seatbelt is crucial to ensure the safety of passengers in the event of an accident." - Correct. Here, "ensure" is used correctly to convey the idea of making certain or guaranteeing safety. III. "Comprehensive training programs are in place to ensure that employees are well-equipped with the necessary skills for their roles." - Correct. In this statement, "ensure" is appropriately used to mean making sure or ensuring that employees have the required skills.