Across
- 2. places where more carbon is absorbed than released into the atmosphere
- 4. an energy-producing reaction in cells that uses oxygen and glucose to produce carbon dioxide and water
- 6. processes or areas where more carbon is released into the atmosphere than absorbed
Down
- 1. a substance which has carbon as a component of most of its molecules
- 3. the process of converting sunlight, water, and carbon dioxide to produce oxygen and sugar (glucose) in plants
- 5. coal, oil, and natural gas formed millenia ago from the remains of living things