| Answer | Crossword Clue |
|---|---|
| PCB | Banned chem. contaminant |
| PCB | Chem. contaminant |
| DDT | Banned chem. |
| PCB | Banned chem. pollutant |
| Answer | Crossword Clue |
|---|---|
| PCB | Banned chem. contaminant |
| PCB | Chem. contaminant |
| DDT | Banned chem. |
| PCB | Banned chem. pollutant |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.