Across
- 3. Using seeds and pollen from different plants to create something new.
- 5. Comes from the leaves of willow trees
- 7. Made from processed corn.
- 8. A gas given off by plants that humans need to breathe.
- 10. A process plants use to make their own food.
Down
- 1. Created by planting seeds in one location.
- 2. Humans exhale this gas and plants need it.
- 4. Plants need this to grow.
- 6. A method to grow plants in the winter.
- 9. The process of growing plants in water.
