| Answer | Crossword Clue |
|---|---|
| TRACE | Tiny amount, as of an element |
| ATOM | Minimum amount of an element |
| abundances | The quantity or amount of something, e.g., a chemical element or an animal or plant species, present in a particular area, volume, sample, etc |
| abundance | The quantity or amount of something, e.g., a chemical element or an animal or plant species, present in a particular area, volume, sample, etc |
| supplementing | Add an extra element or amount to |
| supplemented | Add an extra element or amount to |
