Across
- 2. what will happen to humans when plants disappear
- 3. what a plant does when it's hungry
- 7. the coolest person
- 8. something the sun gives off
- 9. byproduct of photosynthesis
- 10. sugar,like glucagon
Down
- 1. allows plants to convert CO2 into oxygen
- 4. if we don't have it we will die
- 5. the colour of most plants
- 6. key element in photosynthesis
- 7. something the plant filters