Leaves of plants absorb light from the sun.Leaves of plants also absorb the air that people breathe out, called carbon dioxide.Leaves of plants also absorb water. ...LeaveHow Do Primary Producers Make Their Own Food? - Tech Alivetechalive.mtu.edu/meec/module10/Howarenutrientscycledinaschoolyardecology.htms of plants use light from the sun to turn the air people breathe out and water into glucose and oxygen. GOT IT FROM