Final answer:
Trash runs do not always have to be completed in pairs. The method of waste disposal varies depending on the location and regulations.
Step-by-step explanation:
No, trash runs do not always have to be completed in pairs. A trash run refers to the collection and disposal of waste materials. The method of waste disposal can vary depending on the geographical location and local regulations. In some places, residents may need to sort their trash into different categories, such as recyclables and non-recyclables, before disposing of them properly.