The answer should be B Convection
        
             
        
        
        
Answer:
Fatty acid chains
Explanation:
A Triglyceride molecule is made up of 3 fatty acid chains and 1 glycerol molecule held together by ester bonds. 
Digestion of lipids using lipases hydrolysed the ester bonds to release 1 molecule of glycerol and 3 molecules of fatty acid chains.