| Answer | Crossword Clue |
|---|---|
| POISONAIRSUPPLY | Long-term pollution concern |
| SEWAGE | Pollution concern |
| ECOLOGY | Pollution concern |
| Answer | Crossword Clue |
|---|---|
| POISONAIRSUPPLY | Long-term pollution concern |
| SEWAGE | Pollution concern |
| ECOLOGY | Pollution concern |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.