In the carbon cycle, carbon dioxide in the air may be replenished by? by Sunday | Jan 17 | Agricultural Science WAEC | 0 comments A. respiration B. transpiration C. lighting D. denitrification Correct Answer: Option A A. respiration Users Also Read These:A to eater to glass to air to water to glass to air.…In the carbon cycle, atmospheric carbon dioxide is…The process in which plant uses sunlight to…The atmosphere gains carbon dioxide through the…The incomplete breakdown of glucose into alcohol;…