Deforestation has a crucial impact on the amount of carbon dioxide in the atmosphere. Which explanation best describes what is happening at the arrow marked A?
A. When forests are cut down, carbon absorption slows or ceases due to less photosynthesis occurring
B. When forests are cut down, carbon absorption slows or ceases due to less respiration occurring in plants
C. Trees cutdown in deforestation are burned or left to rot causing additional carbon dioxide to be absorbed by the atmosphere
D. Trees cut down in deforestation are burned or left to rot causing additional carbon dioxide to be released into the atmosphere