Across
- 4. a green substance in plants
- 6. what makes your body warm
- 8. this is how plants produce sugar and starch
- 10. is the liquid that helps us survive
Down
- 1. is the air we breath out
- 2. is the air we breath in
- 3. something that controls our cells
- 5. something that produces heat
- 7. we uses averages and meanings for this
- 9. is something plants produce