Answer:
Burning of coal
Explanation:
Carbon is released to the atmosphere through various processes. Animals and plants get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Carbon moves from fossil fuels to the atmosphere when fuels such as coal or petroleum, etc., are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas.
