Question : What is a method of urban-waste disposal that involves the conversion of waste materials into reusable products?
Option 1: Landfilling
Option 2: Incineration
Option 3: Recycling
Option 4: Composting
Correct Answer: Recycling
Solution : Recycling is a method of urban-waste disposal that involves converting waste materials into reusable products, thereby reducing the amount of waste that needs to be disposed of.