Question

What is combustion and how does it affect the carbon cycle?

Answer 1

combustion puts more carbon dioxide (as an effluent) into the atmosphere. this creates the imbalance that we are experiencing the extra CO2 enhances the already present greenhouse effect

Answer 2

During photosynthesis, plants use carbon dioxide and produce oxygen. During metabolism oxygen is used and carbon dioxide is a product. Humans impact the carbon cycle during the combustion of any type of fossil fuel, which may include oil, coal, or natural gas.