Across
- 3. - Groups of atoms bonded together.
- 5. - Small flat spots or discolored patches on the skin.
- 6. - Twilight or sunset periods.
- 7. - Small cavities or compartments in a plant or organ.
Down
- 1. - Microscopic or very tiny aquatic creatures.
- 2. - Small nuts or nutlets in botany.
- 4. - Exhalant openings in a sponge.