| Answer | Crossword Clue |
|---|---|
| MAGNETICEQUATOR | Imaginary line on the earth's surface. |
| parallels | Each of the imaginary parallel circles of constant latitude on the earth's surface |
| isobaths | imaginary line or one drawn on a map connecting all points of equal depth below the surface of a body of water |
| isobath | imaginary line or one drawn on a map connecting all points of equal depth below the surface of a body of water |
| GEOID | Imaginary surface coinciding with the earth's sea level |
| horizons | The line at which the earth's surface and the sky appear to meet |
