| Answer | Crossword Clue |
|---|---|
| TURFS | Natural and astro |
| NAUTS | Endings with cosmo and astro |
| NAUT | Ending with astro and aero |
| PETS | Dino and Astro, e.g. |
| NOMY | Word form with auto and astro |
| EARTHY | Simple and natural. |
| EARTHY | Simple and natural |
| FUELS | Coal and natural gas |
| RESOURCES | Coal and natural gas |
| GOTDOWN | Was natural and unrestrained, slangily |
| URALS | Natural boundary between Europe and Asia. |
| HABITAT | Natural abode of fauna and flora. |
| SPONTANEOUSNESS | State of being natural and unconstrained. |
| ALSTON | Charles who created murals for Harlem Hospital and the American Museum of Natural History |
