Final answer:
Cellular respiration, forest fires, and volcanic eruptions release carbon into the atmosphere.
Explanation:
Cellular respiration by humans and other organisms, forest fires, and anthropogenic combustion processes release carbon dioxide into the atmosphere. Other processes include volcanic eruptions, hydrothermal vents, and the combustion of wood and fossil fuels.
Learn more about carbon cycle here:
https://brainly.com/question/30508567
