Final answer:
The correct group that consists entirely of ways that carbon is released into the atmosphere is option C) Forest fires, cellular respiration, volcanic eruptions.
Step-by-step explanation:
The correct group that consists entirely of ways that carbon is released into the atmosphere is option C) Forest fires, cellular respiration, volcanic eruptions.
Forest fires release carbon dioxide as a product of combustion, cellular respiration by living things releases carbon into the atmosphere, and volcanic eruptions release carbon dioxide from molten rock.