| Clue | Source | Date |
|---|---|---|
| Like a damaged atmospheric layer | LA Times Daily | 07 Aug 2018 |
| Like a damaged atmospheric layer | The Washington Post | 07 Aug 2018 |
| Like a damaged atmospheric layer | ||
| __ ether (hydrogen-peroxide solution) | ||
| Like fresh air | ||
| Having pure air | ||
| Of an oxidizing agent. | ||
| Of an air component. |