| Answer | Crossword Clue |
|---|---|
| ELEMENTS | Earth and air |
| ELEMENTS | Fire, air, water and earth |
| ELEMENTS | Earth, air, fire, and water. |
| ELEMENTS | Air, water, fire and earth |
| ECHO | Daughter of Air and Earth. |
| ELEMENT | Earth, air, fire or water |
| IONOSPHERE | Region of air above the earth. |
