Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on earth?
Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on earth?
Photosynthesis absorbs CO2, while respiration, decay of organic matter, and volcanic action release CO2 into the carbon cycle.