| Answer | Crossword Clue |
|---|---|
| SUBSOIL | Near-the-surface earth layer |
| ADSORBS | Gathers on the surface, as a layer of molecules |
| MANTLE | Layer of the earth |
| CRUST | Outer layer of the Earth |
| OZONE | Kind of layer protecting the earth |
| MANTLE | Layer of the earth between the crust and the core |
