Question

How often is carbon dioxide cycled through the atmosphere?

A. 350 years
B. 200 years
C. 250 years
D. 300 years

Answer 1

carbon dioxide is involved in the atmosphere through a series of steps in the carbon cycle. Carbon dioxide is given off as a by-product of digestion of animals where when given-off, the plants use this as a precursor for photosynthesis and creation of energy and food . Throughout the cycle, carbon dioxide can be existing up to 350 years

Answer 2

CO2 is cycled through the atmosphere in 350 years