Concept:Recyclable materials are those that can be safely reprocessed, but highly hazardous radioactive substances are generally not recycled.Explanation:Aluminium cans, glass bottles, and paper wastes are commonly reused through recycling processes.Nuclear wastes are dangerously radioactive and toxic, so they are not usually recycled.Therefore, among the given options, nuclear wastes are the pollutant that is not typically recycled.Answer:C. Nuclear wastes