| Answer | Crossword Clue |
|---|---|
| ANTARCTICCIRCLE | Frigid Zone boundary |
| ANTARCTICCIRCLE | South Frigid Zone boundary |
| ANTARCTICCIRCLE | Imaginary boundary for the South Frigid Zone |
| THEARCTICCIRCLE | Boundary between the North Temperate and North Frigid zones |
| POLAR | Of the Frigid Zone. |
| ARCTIC | Circle in the frigid zone |
| ANTARCTICCIRCLE | South Frigid Zone and South Temperate zone separator |
| ANTARCTICCIRCLE | It's between the South Frigid Zone and South Temperate Zone |
| ANTARCTICCIRCLE | Latitude between the South Frigid Zone and South Temperate Zone |
