What is The atmospheric concentration of carbon dioxide is regulated by?

The atmospheric concentration of carbon dioxide (CO2) is regulated by several natural and anthropogenic processes. Key natural factors include photosynthesis, where plants absorb CO2, and respiration, where organisms release CO2. Additionally, ocean absorption and geological processes also play a role. Human activities, particularly the burning of fossil fuels and deforestation, have significantly increased CO2 levels, disrupting the natural balance and contributing to climate change.