Which of the following are examples of infrastructure?
• institutions, administration, and education
• coffee, cotton, and tea crops
• oil refinement and health care
• local and national politicians
The examples of infrastructure in the given options are:
• Oil refinement: Refineries and facilities that process crude oil into useful products like gasoline, diesel, and other petroleum-based products.
• Health care: Hospitals, clinics, medical facilities, and healthcare systems.
• Local and national politicians: Politicians are not considered examples of physical infrastructure, but they are part of the political infrastructure of a region or country.