What factor determines whether solid waste can be reused?

The correct factor that determines whether solid waste can be reused is the composition of the ash. The composition is critical because it reveals the materials present in the waste, which influences its potential for reuse or recycling. If the ash contains reusable materials such as metals, organic matter, or other recyclables, it is more likely to be repurposed effectively.

When assessing solid waste for reuse, understanding the chemical and physical properties of its components is essential. For instance, certain types of waste may contain hazardous materials that would complicate or prevent reuse. Conversely, organic waste might be composted, while metals can potentially be recycled. Therefore, the characteristics of the ash directly correlate with the opportunities and methods for reuse.

The composition distinguishes between various waste types, guiding decision-making in waste management practices, thus making it a fundamental factor in determining reuse viability. Other factors, while they may influence waste management strategies overall, do not directly address the specific capabilities or possibilities related to the reuse of the solid waste itself.