Some processes cycle carbon into the atmosphere, some processes remove carbon from the atmosphere and some cycle carbon both into and out of the atmosphere. Drag and drop the following processes into the correct category of cycling carbon into or out of the atmosphere. Some choices may be used more than once or not at all. (2 points)
Cycle carbon into the atmosphere
Cycle carbon out of the atmosphere
•: photosynthesis
:: burning fossil fuels
•: respiration
:: limestone formation
equilibrium with the ocean
Cycle carbon into the atmosphere:
- Burning fossil fuels
- Respiration
Cycle carbon out of the atmosphere:
- Photosynthesis
- Limestone formation
- Equilibrium with the ocean