How many drifferent position in the federal goverment require senate confirmation

Some of the main positions in the federal government that require senate confirmation are the Committee on Agriculture, Nutrition and Forestry, Committee on Armed Services, Committee on Banking, Housing, and Urban Affairs, Committee on the Budget, Committee on Commerce, Science, and Transportation, Committee on Environment and Public Works, Committee on Finance, and many more. For more information it's a great idea to search through a government text book.

Im pretty sure the answer is d.) is more densely populated.