lauravramirez lauravramirez 27-05-2020 Biology contestada REALLY EASY!!! JUSUT CAN'T CHOOSE !!!! WILL GIVE BRAINLIEST!!!! AT LEAST TAKE A LOOK!!! ANSWER IF 100% SURE THO!!! 21. What is the greatest source of atmospheric water vapor? A) evaporation B) combustion C) decomposition D)deforestation