Related Clues:
- Silver or sulfur
- Gold or silver, but not bronze
- Helium or hydrogen
- Gold, e.g.
- Home ground
- 21-Down, e.g.
- Natural environment of animal or plant
- A first principle, found in a kettle?
- Natural environment, of animal or plant
- Constituent part
- Constituent part (7)
- Constituent component
- Natural environment, plant or animal
- Environment in which an organism normally lives
- The natural home of an animal or plant