1. People are individuals who live in society and generate ______ as a result of their daily activities.

2. ________ is any unwanted or unusable material or substance, which can be hazardous to the environment and human health.

3. _________ are substances that have a specific composition and properties, and are used in various industrial and agricultural processes.

4. _________ are substances added to soil to enhance plant growth and productivity.

5. A ____________ is a natural watercourse that flows towards an ocean, sea, lake, or another river.

(Drag and drop)