Which of the following best describes the outcome of effective incineration?

Effective incineration primarily involves the thermal decomposition of waste materials through combustion, resulting in the transformation of waste into ash, flue gases, and heat. The process significantly reduces the volume of the waste, making it a useful method for managing solid waste while generating energy. The remaining ash can often be disposed of more easily compared to unprocessed waste.

The conversion of waste into flue gases and heat is advantageous, as the heat produced can be harnessed for energy recovery, contributing to sustainable waste management. This energy can be used to generate electricity or provide heat for various uses, highlighting the effectiveness of incineration when properly managed.

In contrast, other options do not accurately reflect the outcomes of effective incineration. Generating compost pertains to organic waste treatment rather than incineration. Increasing the volume of waste contradicts the fundamental goal of incineration, which is to significantly reduce waste volume. Lastly, producing harmful gases without treatment does not align with the intended outcome of effective incineration, as modern incineration facilities are equipped with technologies to minimize harmful emissions, ensuring that flue gases are treated before release into the atmosphere.