Across
- 3. Underground molten rock
- 4. Balloons, corn and colour can do
- 7. Solid phase to gas phase
- 8. Month named for the Roman god of war
- 9. Voice assistant introduced in 2011
- 11. Cold and distant
Down
- 1. Degeneration of skeletal muscle
- 2. Urban air pollution
- 5. 10 in a decade
- 6. Japanese paper cutting and folding art
- 8. Nature's living water purifier
- 10. Boston Dynamics creation