I’m guessing it’s probably A or C
        
                    
             
        
        
        
Answer:
Point no 2 and 4 are correct
Explanation:
100 points? 
 
        
                    
             
        
        
        
The answers A. C. D. are all physical reactions 
The answer is B. Digestion of food 
When food is digested it is chemically broken down 
Hope this help! 
        
                    
             
        
        
        
ATP and NADPH are formed.
light energy is incorporated in this molecules and will be used in the Calvin cycle
 
        
             
        
        
        
Answer: A. Accumulate keratohyalin granules. B. Cells increase in size, some retain ability to divide. C. Cell membrane thickens. Cells imbedded in lipid matrix. D. Cells within this layer proliferate.
Explanation: