What does "waste-to-energy" technology do?

• A. It reduces landfill waste
• B. It converts waste into usable energy
• C. It recycles materials for reuse
• D. It increases soil fertility

Answer: (B)

"Waste-to-energy" technology is designed to convert various types of waste materials into usable energy, typically in the form of electricity or heat. This process generally involves the combustion of waste materials, which generates energy that can then be harnessed for various applications, such as powering homes or industrial processes. The focus of this technology is not just on waste reduction, but on transforming waste into a valuable resource, thus addressing both energy needs and waste management.

While reducing landfill waste is an outcome of utilizing waste-to-energy technology, the primary function is the conversion process itself. Recycling materials for reuse and increasing soil fertility are distinct processes that do not directly involve the transformation of waste into energy, emphasizing that the core intent of waste-to-energy systems lies in energy production rather than material recycling or soil enhancement. Therefore, the correct identification of waste-to-energy technology is that it specifically converts waste into usable energy.