| Hint | Answer |
|---|
| Fields or holes in the ground where garbage is deposited and covered with soil | |
| Newer landfills where solid wastes are spread out in thin layers, compacted, and covered daily | |
| Any discarded solid or liquid material that is toxic, corrosive, or reactive | |
| A fourth state of matter | |
| Liquid hazardous wastes are pumped under pressure through a pipe into dry zones of rock beneath aquifers | |
| Excavated depressions such as ponds, pits, or lagoons into which hazardous wastes are drained | |
| Abandoned industrial and commercial sites contaminated with hazardous wastes | |
| Chemical element, potent nuerotoxin that can harm the nervous system | |
| | Hint | Answer |
|---|
| The only metal that is liquid at room temperature | |
| Stores hazardous wastes in areas where the water table is close to the surface | |
| Similar to a welding torch | |
| Biological way to treat hazardous wastes using genetically engineered plants to absorb contaminants | |
| Used to detoxify hazardous wastes by filtering out solids and distilling liquids | |
| Managing harzardous waste by burning it or burying it is this kind of approach | |
| Pollution prevention and waste reduction is this kind of approach | |
|
Periodic Table
Digits of Pi
Minute Math (Addition)
