Question
Classify wastes according to their physical state.
Answer
Waste can be classified into three categories based on its physical state: solid, liquid and gaseous.
- Solid waste includes materials such as paper, plastics, metals, glass, and organic waste like food and yard waste.
- Liquid waste includes waste water from households, industries, and hospitals.
- Gaseous waste includes emissions like carbon dioxide, methane, and other gases released by industrial processes, transportation and other activities.
