Across
- 3. the technologies that use living plants to clean up soil, air, and water contaminated with hazardous contaminants
- 6. the part of the plant that anchors it in the ground and absorbs water, minerals, and other nutrients from the soil
- 7. a way of growing plants without soil, usually by providing a nutrient-rich water
- 9. anything that has volume and mass
- 10. the heaviness of an object;
- 11. plants that grow on other plants, such as trees, and gather their nutrition from the air and rain
Down
- 1. hydroponics that uses aquatic organisms, to add nutrients to the water supply
- 2. increase in size, abundance, or complexity
- 4. the matter from which a thing can be made
- 5. the process where plants use sunlight, water, and carbon dioxide to produce sugar and release oxygen
- 8. a type of organism that gets its energy directly from the Sun and is unable to move from place to place on its own
