| Answer | Crossword Clue |
|---|---|
| unpolluted | Not contaminated with noxious or poisonous substances |
| polluted | Contaminate (water, air, or a place) with harmful or poisonous substances |
| pollutes | Contaminate (water, air, or a place) with harmful or poisonous substances |
| pollute | Contaminate (water, air, or a place) with harmful or poisonous substances |
| polluting | Contaminate (water, air, or a place) with harmful or poisonous substances |
