Across
- 1. The basic building block for all living things.
- 6. The primary energy source for the body's cells.
- 7. Trees take in this gas and release oxygen.
- 8. The cell that is responsible for energy production.
- 9. The Process in which plants use to make energy.
Down
- 2. The force which you use to move things.(push and pull)
- 3. When you consume your food, you get this, which you need for growth and survival.
- 4. The process where food gets turned into energy.
- 5. A tasteless gas that is essential for most life on Earth.