Across
- 2. A nutrient rich component of soil formed from decaying plants and animals
- 3. This gas makes up the biggest proportion of air
- 4. The process by which all green plants make food
- 7. A method of separation used for inks and dyes
- 9. Complete the following equation _____ + water --> glucose + oxygen
- 10. The process by which a gas becomes a solid or solid becomes a gas.
Down
- 1. Site for food production in a plant cell
- 5. The physical and or psychological response to a stimulus
- 6. The upper layer which is fertile and where most animals live in soil
- 8. A state of matter which occupies the volume or shape of its container