| Answer | Crossword Clue |
|---|---|
| OZONE | Low-level pollution or high-level protection |
| aggers | a. high tide in which the water rises to a certain level, recedes, then rises again b. low tide in which the water recedes to a certain level, rises slightly, then recedes again |
| agger | a. high tide in which the water rises to a certain level, recedes, then rises again b. low tide in which the water recedes to a certain level, rises slightly, then recedes again |
