Across
- 4. Organisms break down organic compounds, releasing CO2 and energy
- 5. Plants use sunlight, water, and CO2 to create organic compounds (sugars) for energy
- 7. Trapping of heat by atmospheric gases like CO2, crucial for warming, but excess CO2 causes warming
- 8. Carbon-rich remains of ancient organisms(coal, oil, gas)
- 9. The continuous movement of carbon atoms
Down
- 1. Bacteria and fungi break down dead organic matter, returning carbon to the soil and atmosphere
- 2. The layer of gases, including CO2, surrounding Earth
- 3. Converting inorganic carbon (CO2) into organic compounds
- 6. Burning organic matter (wood, fossil fuels) releases large amounts of CO2
- 10. A reservoir that releases more carbon than it absorbs