Across
- 3. noun: dirty gases that cars produce when they go or factories when they work
- 5. verb: to change from one state to another
- 8. verb: create energy
- 9. adj: extremely important for life
- 10. verb: do sth that hurts, damages sth
Down
- 1. adj: dirty, not safe
- 2. verb: to ask for sth that you strongly need
- 4. noun: sth that makes things move
- 6. noun: food, goods, products that we need for life
- 7. verb: keep things somewhere (in a shop, or home, or garage)